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Finding the Fourth Proportional to 162,762.84, 224,598.15 and 91,127.61

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Solution

The fourth proportional to 162,762.84, 224,598.15 and 91,127.61 is: 125,747.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,762.84 : 224,598.15 = 91,127.61 : x
  2. Step 2: Convert to fraction form
    162,762.84/224,598.15 = 91,127.61/x
  3. Step 3: Cross multiply
    162,762.84x = 224,598.15 × 91,127.61
  4. Step 4: Simplify right side
    162,762.84x = 20,467,092,619.92
  5. Step 5: Solve for x
    x = 20,467,092,619.92/162,762.84
  6. Step 6: Final answer
    x = 125,747.94

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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.