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Finding the Fourth Proportional to 162,643.38, 224,446.25 and 91,023.93

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Solution

The fourth proportional to 162,643.38, 224,446.25 and 91,023.93 is: 125,612.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,643.38 : 224,446.25 = 91,023.93 : x
  2. Step 2: Convert to fraction form
    162,643.38/224,446.25 = 91,023.93/x
  3. Step 3: Cross multiply
    162,643.38x = 224,446.25 × 91,023.93
  4. Step 4: Simplify right side
    162,643.38x = 20,429,979,293.64
  5. Step 5: Solve for x
    x = 20,429,979,293.64/162,643.38
  6. Step 6: Final answer
    x = 125,612.12

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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.