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Finding the Fourth Proportional to 232,466.70, 348,732.45 and 99,345.90

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Solution

The fourth proportional to 232,466.70, 348,732.45 and 99,345.90 is: 149,032.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,466.70 : 348,732.45 = 99,345.90 : x
  2. Step 2: Convert to fraction form
    232,466.70/348,732.45 = 99,345.90/x
  3. Step 3: Cross multiply
    232,466.70x = 348,732.45 × 99,345.90
  4. Step 4: Simplify right side
    232,466.70x = 34,645,139,104.46
  5. Step 5: Solve for x
    x = 34,645,139,104.46/232,466.70
  6. Step 6: Final answer
    x = 149,032.70

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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.