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Finding the Fourth Proportional to 155,292.62, 232,944.10 and 42,963.43

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Solution

The fourth proportional to 155,292.62, 232,944.10 and 42,963.43 is: 64,446.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,292.62 : 232,944.10 = 42,963.43 : x
  2. Step 2: Convert to fraction form
    155,292.62/232,944.10 = 42,963.43/x
  3. Step 3: Cross multiply
    155,292.62x = 232,944.10 × 42,963.43
  4. Step 4: Simplify right side
    155,292.62x = 10,008,077,534.26
  5. Step 5: Solve for x
    x = 10,008,077,534.26/155,292.62
  6. Step 6: Final answer
    x = 64,446.58

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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.