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Finding the Fourth Proportional to 162,773.60, 224,601.60 and 91,156.64

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Solution

The fourth proportional to 162,773.60, 224,601.60 and 91,156.64 is: 125,781.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,773.60 : 224,601.60 = 91,156.64 : x
  2. Step 2: Convert to fraction form
    162,773.60/224,601.60 = 91,156.64/x
  3. Step 3: Cross multiply
    162,773.60x = 224,601.60 × 91,156.64
  4. Step 4: Simplify right side
    162,773.60x = 20,473,927,194.62
  5. Step 5: Solve for x
    x = 20,473,927,194.62/162,773.60
  6. Step 6: Final answer
    x = 125,781.62

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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.