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Finding the Fourth Proportional to 219,841.92, 303,381.81 and 124,346.52

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Solution

The fourth proportional to 219,841.92, 303,381.81 and 124,346.52 is: 171,598.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,841.92 : 303,381.81 = 124,346.52 : x
  2. Step 2: Convert to fraction form
    219,841.92/303,381.81 = 124,346.52/x
  3. Step 3: Cross multiply
    219,841.92x = 303,381.81 × 124,346.52
  4. Step 4: Simplify right side
    219,841.92x = 37,724,472,304.80
  5. Step 5: Solve for x
    x = 37,724,472,304.80/219,841.92
  6. Step 6: Final answer
    x = 171,598.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.