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Finding the Fourth Proportional to 162,750.39, 224,590.32 and 90,150.30

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Solution

The fourth proportional to 162,750.39, 224,590.32 and 90,150.30 is: 124,404.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,750.39 : 224,590.32 = 90,150.30 : x
  2. Step 2: Convert to fraction form
    162,750.39/224,590.32 = 90,150.30/x
  3. Step 3: Cross multiply
    162,750.39x = 224,590.32 × 90,150.30
  4. Step 4: Simplify right side
    162,750.39x = 20,246,885,672.59
  5. Step 5: Solve for x
    x = 20,246,885,672.59/162,750.39
  6. Step 6: Final answer
    x = 124,404.53

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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.