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Finding the Fourth Proportional to 162,414.52, 224,133.70 and 90,798.52

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Solution

The fourth proportional to 162,414.52, 224,133.70 and 90,798.52 is: 125,302.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,414.52 : 224,133.70 = 90,798.52 : x
  2. Step 2: Convert to fraction form
    162,414.52/224,133.70 = 90,798.52/x
  3. Step 3: Cross multiply
    162,414.52x = 224,133.70 × 90,798.52
  4. Step 4: Simplify right side
    162,414.52x = 20,351,008,242.12
  5. Step 5: Solve for x
    x = 20,351,008,242.12/162,414.52
  6. Step 6: Final answer
    x = 125,302.89

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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.