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Finding the Fourth Proportional to 232,521.80, 348,815.52 and 74,697.36

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Solution

The fourth proportional to 232,521.80, 348,815.52 and 74,697.36 is: 112,056.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,521.80 : 348,815.52 = 74,697.36 : x
  2. Step 2: Convert to fraction form
    232,521.80/348,815.52 = 74,697.36/x
  3. Step 3: Cross multiply
    232,521.80x = 348,815.52 × 74,697.36
  4. Step 4: Simplify right side
    232,521.80x = 26,055,598,471.03
  5. Step 5: Solve for x
    x = 26,055,598,471.03/232,521.80
  6. Step 6: Final answer
    x = 112,056.58

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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.