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Finding the Fourth Proportional to 101,502.70, 140,101.84 and 59,069.40

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Solution

The fourth proportional to 101,502.70, 140,101.84 and 59,069.40 is: 81,532.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,502.70 : 140,101.84 = 59,069.40 : x
  2. Step 2: Convert to fraction form
    101,502.70/140,101.84 = 59,069.40/x
  3. Step 3: Cross multiply
    101,502.70x = 140,101.84 × 59,069.40
  4. Step 4: Simplify right side
    101,502.70x = 8,275,731,627.70
  5. Step 5: Solve for x
    x = 8,275,731,627.70/101,502.70
  6. Step 6: Final answer
    x = 81,532.13

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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.