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Finding the Fourth Proportional to 87,010.80, 130,516.20 and 59,362.80

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Solution

The fourth proportional to 87,010.80, 130,516.20 and 59,362.80 is: 89,044.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,010.80 : 130,516.20 = 59,362.80 : x
  2. Step 2: Convert to fraction form
    87,010.80/130,516.20 = 59,362.80/x
  3. Step 3: Cross multiply
    87,010.80x = 130,516.20 × 59,362.80
  4. Step 4: Simplify right side
    87,010.80x = 7,747,807,077.36
  5. Step 5: Solve for x
    x = 7,747,807,077.36/87,010.80
  6. Step 6: Final answer
    x = 89,044.20

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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.