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Finding the Fourth Proportional to 101,473.12, 152,253.44 and 54,715.20

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Solution

The fourth proportional to 101,473.12, 152,253.44 and 54,715.20 is: 82,096.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,473.12 : 152,253.44 = 54,715.20 : x
  2. Step 2: Convert to fraction form
    101,473.12/152,253.44 = 54,715.20/x
  3. Step 3: Cross multiply
    101,473.12x = 152,253.44 × 54,715.20
  4. Step 4: Simplify right side
    101,473.12x = 8,330,577,420.29
  5. Step 5: Solve for x
    x = 8,330,577,420.29/101,473.12
  6. Step 6: Final answer
    x = 82,096.40

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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.