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Finding the Fourth Proportional to 104,655.71, 144,421.86 and 59,337.92

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Solution

The fourth proportional to 104,655.71, 144,421.86 and 59,337.92 is: 81,884.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,655.71 : 144,421.86 = 59,337.92 : x
  2. Step 2: Convert to fraction form
    104,655.71/144,421.86 = 59,337.92/x
  3. Step 3: Cross multiply
    104,655.71x = 144,421.86 × 59,337.92
  4. Step 4: Simplify right side
    104,655.71x = 8,569,692,774.93
  5. Step 5: Solve for x
    x = 8,569,692,774.93/104,655.71
  6. Step 6: Final answer
    x = 81,884.62

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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.