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Finding the Fourth Proportional to 101,553.40, 152,344.68 and 34,975.72

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Solution

The fourth proportional to 101,553.40, 152,344.68 and 34,975.72 is: 52,468.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,553.40 : 152,344.68 = 34,975.72 : x
  2. Step 2: Convert to fraction form
    101,553.40/152,344.68 = 34,975.72/x
  3. Step 3: Cross multiply
    101,553.40x = 152,344.68 × 34,975.72
  4. Step 4: Simplify right side
    101,553.40x = 5,328,364,871.17
  5. Step 5: Solve for x
    x = 5,328,364,871.17/101,553.40
  6. Step 6: Final answer
    x = 52,468.60

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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.