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Finding the Fourth Proportional to 162,898.86, 224,937.34 and 122,542.68

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Solution

The fourth proportional to 162,898.86, 224,937.34 and 122,542.68 is: 169,211.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,898.86 : 224,937.34 = 122,542.68 : x
  2. Step 2: Convert to fraction form
    162,898.86/224,937.34 = 122,542.68/x
  3. Step 3: Cross multiply
    162,898.86x = 224,937.34 × 122,542.68
  4. Step 4: Simplify right side
    162,898.86x = 27,564,424,475.67
  5. Step 5: Solve for x
    x = 27,564,424,475.67/162,898.86
  6. Step 6: Final answer
    x = 169,211.89

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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.