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Finding the Fourth Proportional to 154,694.63, 232,042.13 and 42,375.81

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Solution

The fourth proportional to 154,694.63, 232,042.13 and 42,375.81 is: 63,563.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,694.63 : 232,042.13 = 42,375.81 : x
  2. Step 2: Convert to fraction form
    154,694.63/232,042.13 = 42,375.81/x
  3. Step 3: Cross multiply
    154,694.63x = 232,042.13 × 42,375.81
  4. Step 4: Simplify right side
    154,694.63x = 9,832,973,001.00
  5. Step 5: Solve for x
    x = 9,832,973,001.00/154,694.63
  6. Step 6: Final answer
    x = 63,563.77

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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.