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Finding the Fourth Proportional to 169,432,207.65, 254,148,311.48 and 169,432,207.65

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Solution

The fourth proportional to 169,432,207.65, 254,148,311.48 and 169,432,207.65 is: 254,148,311.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,432,207.65 : 254,148,311.48 = 169,432,207.65 : x
  2. Step 2: Convert to fraction form
    169,432,207.65/254,148,311.48 = 169,432,207.65/x
  3. Step 3: Cross multiply
    169,432,207.65x = 254,148,311.48 × 169,432,207.65
  4. Step 4: Simplify right side
    169,432,207.65x = 43,060,909,483,729,080
  5. Step 5: Solve for x
    x = 43,060,909,483,729,080/169,432,207.65
  6. Step 6: Final answer
    x = 254,148,311.48

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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.