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Finding the Fourth Proportional to 154,963.92, 232,411.32 and 61,444.56

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Solution

The fourth proportional to 154,963.92, 232,411.32 and 61,444.56 is: 92,153.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,963.92 : 232,411.32 = 61,444.56 : x
  2. Step 2: Convert to fraction form
    154,963.92/232,411.32 = 61,444.56/x
  3. Step 3: Cross multiply
    154,963.92x = 232,411.32 × 61,444.56
  4. Step 4: Simplify right side
    154,963.92x = 14,280,411,296.42
  5. Step 5: Solve for x
    x = 14,280,411,296.42/154,963.92
  6. Step 6: Final answer
    x = 92,153.14

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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.