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Finding the Fourth Proportional to 330,429.92, 495,663.60 and 93,753.92

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Solution

The fourth proportional to 330,429.92, 495,663.60 and 93,753.92 is: 140,636.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,429.92 : 495,663.60 = 93,753.92 : x
  2. Step 2: Convert to fraction form
    330,429.92/495,663.60 = 93,753.92/x
  3. Step 3: Cross multiply
    330,429.92x = 495,663.60 × 93,753.92
  4. Step 4: Simplify right side
    330,429.92x = 46,470,405,501.31
  5. Step 5: Solve for x
    x = 46,470,405,501.31/330,429.92
  6. Step 6: Final answer
    x = 140,636.19

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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.