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Finding the Fourth Proportional to 259,060.80, 357,496.92 and 145,881.12

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Solution

The fourth proportional to 259,060.80, 357,496.92 and 145,881.12 is: 201,312.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,060.80 : 357,496.92 = 145,881.12 : x
  2. Step 2: Convert to fraction form
    259,060.80/357,496.92 = 145,881.12/x
  3. Step 3: Cross multiply
    259,060.80x = 357,496.92 × 145,881.12
  4. Step 4: Simplify right side
    259,060.80x = 52,152,051,086.15
  5. Step 5: Solve for x
    x = 52,152,051,086.15/259,060.80
  6. Step 6: Final answer
    x = 201,312.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.