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Finding the Fourth Proportional to 162,363.93, 224,052.57 and 89,762.48

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Solution

The fourth proportional to 162,363.93, 224,052.57 and 89,762.48 is: 123,866.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,363.93 : 224,052.57 = 89,762.48 : x
  2. Step 2: Convert to fraction form
    162,363.93/224,052.57 = 89,762.48/x
  3. Step 3: Cross multiply
    162,363.93x = 224,052.57 × 89,762.48
  4. Step 4: Simplify right side
    162,363.93x = 20,111,513,773.44
  5. Step 5: Solve for x
    x = 20,111,513,773.44/162,363.93
  6. Step 6: Final answer
    x = 123,866.88

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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.