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Finding the Fourth Proportional to 101,560.34, 140,154.72 and 58,516.08

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Solution

The fourth proportional to 101,560.34, 140,154.72 and 58,516.08 is: 80,753.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,560.34 : 140,154.72 = 58,516.08 : x
  2. Step 2: Convert to fraction form
    101,560.34/140,154.72 = 58,516.08/x
  3. Step 3: Cross multiply
    101,560.34x = 140,154.72 × 58,516.08
  4. Step 4: Simplify right side
    101,560.34x = 8,201,304,807.90
  5. Step 5: Solve for x
    x = 8,201,304,807.90/101,560.34
  6. Step 6: Final answer
    x = 80,753.03

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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.