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Finding the Fourth Proportional to 247,718.61, 371,577.91 and 70,227.16

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Solution

The fourth proportional to 247,718.61, 371,577.91 and 70,227.16 is: 105,340.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,718.61 : 371,577.91 = 70,227.16 : x
  2. Step 2: Convert to fraction form
    247,718.61/371,577.91 = 70,227.16/x
  3. Step 3: Cross multiply
    247,718.61x = 371,577.91 × 70,227.16
  4. Step 4: Simplify right side
    247,718.61x = 26,094,859,129.01
  5. Step 5: Solve for x
    x = 26,094,859,129.01/247,718.61
  6. Step 6: Final answer
    x = 105,340.73

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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.