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Finding the Fourth Proportional to 162,273.60, 224,108.64 and 124,171.20

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Solution

The fourth proportional to 162,273.60, 224,108.64 and 124,171.20 is: 171,487.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,273.60 : 224,108.64 = 124,171.20 : x
  2. Step 2: Convert to fraction form
    162,273.60/224,108.64 = 124,171.20/x
  3. Step 3: Cross multiply
    162,273.60x = 224,108.64 × 124,171.20
  4. Step 4: Simplify right side
    162,273.60x = 27,827,838,759.17
  5. Step 5: Solve for x
    x = 27,827,838,759.17/162,273.60
  6. Step 6: Final answer
    x = 171,487.16

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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.