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Finding the Fourth Proportional to 58,842.84, 81,125.10 and 48,734.04

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Solution

The fourth proportional to 58,842.84, 81,125.10 and 48,734.04 is: 67,188.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,842.84 : 81,125.10 = 48,734.04 : x
  2. Step 2: Convert to fraction form
    58,842.84/81,125.10 = 48,734.04/x
  3. Step 3: Cross multiply
    58,842.84x = 81,125.10 × 48,734.04
  4. Step 4: Simplify right side
    58,842.84x = 3,953,553,868.40
  5. Step 5: Solve for x
    x = 3,953,553,868.40/58,842.84
  6. Step 6: Final answer
    x = 67,188.36

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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.