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Finding the Fourth Proportional to 232,806.12, 348,916.65 and 99,529.74

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Solution

The fourth proportional to 232,806.12, 348,916.65 and 99,529.74 is: 149,169.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,806.12 : 348,916.65 = 99,529.74 : x
  2. Step 2: Convert to fraction form
    232,806.12/348,916.65 = 99,529.74/x
  3. Step 3: Cross multiply
    232,806.12x = 348,916.65 × 99,529.74
  4. Step 4: Simplify right side
    232,806.12x = 34,727,583,456.17
  5. Step 5: Solve for x
    x = 34,727,583,456.17/232,806.12
  6. Step 6: Final answer
    x = 149,169.55

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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.