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Finding the Fourth Proportional to 101,344.95, 152,033.82 and 42,182.94

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Solution

The fourth proportional to 101,344.95, 152,033.82 and 42,182.94 is: 63,281.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,344.95 : 152,033.82 = 42,182.94 : x
  2. Step 2: Convert to fraction form
    101,344.95/152,033.82 = 42,182.94/x
  3. Step 3: Cross multiply
    101,344.95x = 152,033.82 × 42,182.94
  4. Step 4: Simplify right side
    101,344.95x = 6,413,233,507.03
  5. Step 5: Solve for x
    x = 6,413,233,507.03/101,344.95
  6. Step 6: Final answer
    x = 63,281.23

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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.