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Finding the Fourth Proportional to 60,267.40, 90,416.17 and 42,532.68

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Solution

The fourth proportional to 60,267.40, 90,416.17 and 42,532.68 is: 63,809.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,267.40 : 90,416.17 = 42,532.68 : x
  2. Step 2: Convert to fraction form
    60,267.40/90,416.17 = 42,532.68/x
  3. Step 3: Cross multiply
    60,267.40x = 90,416.17 × 42,532.68
  4. Step 4: Simplify right side
    60,267.40x = 3,845,641,669.82
  5. Step 5: Solve for x
    x = 3,845,641,669.82/60,267.40
  6. Step 6: Final answer
    x = 63,809.65

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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.