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Finding the Fourth Proportional to 75,871.04, 104,702.04 and 42,337.04

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Solution

The fourth proportional to 75,871.04, 104,702.04 and 42,337.04 is: 58,425.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,871.04 : 104,702.04 = 42,337.04 : x
  2. Step 2: Convert to fraction form
    75,871.04/104,702.04 = 42,337.04/x
  3. Step 3: Cross multiply
    75,871.04x = 104,702.04 × 42,337.04
  4. Step 4: Simplify right side
    75,871.04x = 4,432,774,455.56
  5. Step 5: Solve for x
    x = 4,432,774,455.56/75,871.04
  6. Step 6: Final answer
    x = 58,425.12

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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.