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Finding the Fourth Proportional to 71,000.65, 106,473.23 and 26,603.18

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Solution

The fourth proportional to 71,000.65, 106,473.23 and 26,603.18 is: 39,894.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,000.65 : 106,473.23 = 26,603.18 : x
  2. Step 2: Convert to fraction form
    71,000.65/106,473.23 = 26,603.18/x
  3. Step 3: Cross multiply
    71,000.65x = 106,473.23 × 26,603.18
  4. Step 4: Simplify right side
    71,000.65x = 2,832,527,085.08
  5. Step 5: Solve for x
    x = 2,832,527,085.08/71,000.65
  6. Step 6: Final answer
    x = 39,894.38

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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.