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Finding the Fourth Proportional to 247,832.47, 371,748.03 and 70,339.65

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Solution

The fourth proportional to 247,832.47, 371,748.03 and 70,339.65 is: 105,509.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,832.47 : 371,748.03 = 70,339.65 : x
  2. Step 2: Convert to fraction form
    247,832.47/371,748.03 = 70,339.65/x
  3. Step 3: Cross multiply
    247,832.47x = 371,748.03 × 70,339.65
  4. Step 4: Simplify right side
    247,832.47x = 26,148,626,318.39
  5. Step 5: Solve for x
    x = 26,148,626,318.39/247,832.47
  6. Step 6: Final answer
    x = 105,509.28

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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.