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Finding the Fourth Proportional to 154,618.60, 232,004.70 and 61,127.40

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Solution

The fourth proportional to 154,618.60, 232,004.70 and 61,127.40 is: 91,721.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,618.60 : 232,004.70 = 61,127.40 : x
  2. Step 2: Convert to fraction form
    154,618.60/232,004.70 = 61,127.40/x
  3. Step 3: Cross multiply
    154,618.60x = 232,004.70 × 61,127.40
  4. Step 4: Simplify right side
    154,618.60x = 14,181,844,098.78
  5. Step 5: Solve for x
    x = 14,181,844,098.78/154,618.60
  6. Step 6: Final answer
    x = 91,721.46

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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.