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Finding the Fourth Proportional to 107,082.83, 147,775.32 and 59,337.20

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Solution

The fourth proportional to 107,082.83, 147,775.32 and 59,337.20 is: 81,885.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,082.83 : 147,775.32 = 59,337.20 : x
  2. Step 2: Convert to fraction form
    107,082.83/147,775.32 = 59,337.20/x
  3. Step 3: Cross multiply
    107,082.83x = 147,775.32 × 59,337.20
  4. Step 4: Simplify right side
    107,082.83x = 8,768,572,979.03
  5. Step 5: Solve for x
    x = 8,768,572,979.03/107,082.83
  6. Step 6: Final answer
    x = 81,885.90

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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.