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Finding the Fourth Proportional to 101,121.52, 151,714.72 and 48,534.70

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Solution

The fourth proportional to 101,121.52, 151,714.72 and 48,534.70 is: 72,817.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,121.52 : 151,714.72 = 48,534.70 : x
  2. Step 2: Convert to fraction form
    101,121.52/151,714.72 = 48,534.70/x
  3. Step 3: Cross multiply
    101,121.52x = 151,714.72 × 48,534.70
  4. Step 4: Simplify right side
    101,121.52x = 7,363,428,420.78
  5. Step 5: Solve for x
    x = 7,363,428,420.78/101,121.52
  6. Step 6: Final answer
    x = 72,817.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.