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Finding the Fourth Proportional to 60,443.76, 90,665.55 and 16,070.52

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Solution

The fourth proportional to 60,443.76, 90,665.55 and 16,070.52 is: 24,105.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,443.76 : 90,665.55 = 16,070.52 : x
  2. Step 2: Convert to fraction form
    60,443.76/90,665.55 = 16,070.52/x
  3. Step 3: Cross multiply
    60,443.76x = 90,665.55 × 16,070.52
  4. Step 4: Simplify right side
    60,443.76x = 1,457,042,534.59
  5. Step 5: Solve for x
    x = 1,457,042,534.59/60,443.76
  6. Step 6: Final answer
    x = 24,105.76

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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.