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Finding the Fourth Proportional to 247,937.14, 342,153.22 and 147,335.14

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Solution

The fourth proportional to 247,937.14, 342,153.22 and 147,335.14 is: 203,322.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,937.14 : 342,153.22 = 147,335.14 : x
  2. Step 2: Convert to fraction form
    247,937.14/342,153.22 = 147,335.14/x
  3. Step 3: Cross multiply
    247,937.14x = 342,153.22 × 147,335.14
  4. Step 4: Simplify right side
    247,937.14x = 50,411,192,570.15
  5. Step 5: Solve for x
    x = 50,411,192,570.15/247,937.14
  6. Step 6: Final answer
    x = 203,322.47

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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.