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Finding the Fourth Proportional to 162,666.60, 224,479.82 and 91,046.60

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Solution

The fourth proportional to 162,666.60, 224,479.82 and 91,046.60 is: 125,644.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,666.60 : 224,479.82 = 91,046.60 : x
  2. Step 2: Convert to fraction form
    162,666.60/224,479.82 = 91,046.60/x
  3. Step 3: Cross multiply
    162,666.60x = 224,479.82 × 91,046.60
  4. Step 4: Simplify right side
    162,666.60x = 20,438,124,379.61
  5. Step 5: Solve for x
    x = 20,438,124,379.61/162,666.60
  6. Step 6: Final answer
    x = 125,644.26

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1.5x scale

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.