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Finding the Fourth Proportional to 169,432,809.15, 254,149,213.80 and 169,432,809.15

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Solution

The fourth proportional to 169,432,809.15, 254,149,213.80 and 169,432,809.15 is: 254,149,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,432,809.15 : 254,149,213.80 = 169,432,809.15 : x
  2. Step 2: Convert to fraction form
    169,432,809.15/254,149,213.80 = 169,432,809.15/x
  3. Step 3: Cross multiply
    169,432,809.15x = 254,149,213.80 × 169,432,809.15
  4. Step 4: Simplify right side
    169,432,809.15x = 43,061,215,237,397,952
  5. Step 5: Solve for x
    x = 43,061,215,237,397,952/169,432,809.15
  6. Step 6: Final answer
    x = 254,149,213.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.