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Finding the Fourth Proportional to 232,463.70, 348,727.95 and 99,342.90

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Solution

The fourth proportional to 232,463.70, 348,727.95 and 99,342.90 is: 149,028.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,463.70 : 348,727.95 = 99,342.90 : x
  2. Step 2: Convert to fraction form
    232,463.70/348,727.95 = 99,342.90/x
  3. Step 3: Cross multiply
    232,463.70x = 348,727.95 × 99,342.90
  4. Step 4: Simplify right side
    232,463.70x = 34,643,645,864.06
  5. Step 5: Solve for x
    x = 34,643,645,864.06/232,463.70
  6. Step 6: Final answer
    x = 149,028.20

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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.