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Finding the Fourth Proportional to 162,608.72, 224,425.49 and 102,187.58

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Solution

The fourth proportional to 162,608.72, 224,425.49 and 102,187.58 is: 141,034.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,608.72 : 224,425.49 = 102,187.58 : x
  2. Step 2: Convert to fraction form
    162,608.72/224,425.49 = 102,187.58/x
  3. Step 3: Cross multiply
    162,608.72x = 224,425.49 × 102,187.58
  4. Step 4: Simplify right side
    162,608.72x = 22,933,496,080.35
  5. Step 5: Solve for x
    x = 22,933,496,080.35/162,608.72
  6. Step 6: Final answer
    x = 141,034.85

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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.