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Finding the Fourth Proportional to 107,613, 148,505.24 and 59,217.87

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Solution

The fourth proportional to 107,613, 148,505.24 and 59,217.87 is: 81,720.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,613 : 148,505.24 = 59,217.87 : x
  2. Step 2: Convert to fraction form
    107,613/148,505.24 = 59,217.87/x
  3. Step 3: Cross multiply
    107,613x = 148,505.24 × 59,217.87
  4. Step 4: Simplify right side
    107,613x = 8,794,163,700.55
  5. Step 5: Solve for x
    x = 8,794,163,700.55/107,613
  6. Step 6: Final answer
    x = 81,720.27

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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.