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Finding the Fourth Proportional to 74,762.73, 112,126.82 and 22,159.53

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Solution

The fourth proportional to 74,762.73, 112,126.82 and 22,159.53 is: 33,234.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,762.73 : 112,126.82 = 22,159.53 : x
  2. Step 2: Convert to fraction form
    74,762.73/112,126.82 = 22,159.53/x
  3. Step 3: Cross multiply
    74,762.73x = 112,126.82 × 22,159.53
  4. Step 4: Simplify right side
    74,762.73x = 2,484,677,520.80
  5. Step 5: Solve for x
    x = 2,484,677,520.80/74,762.73
  6. Step 6: Final answer
    x = 33,234.17

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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.