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Finding the Fourth Proportional to 124,443.92, 186,640.76 and 35,673.59

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Solution

The fourth proportional to 124,443.92, 186,640.76 and 35,673.59 is: 53,503.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,443.92 : 186,640.76 = 35,673.59 : x
  2. Step 2: Convert to fraction form
    124,443.92/186,640.76 = 35,673.59/x
  3. Step 3: Cross multiply
    124,443.92x = 186,640.76 × 35,673.59
  4. Step 4: Simplify right side
    124,443.92x = 6,658,144,837.96
  5. Step 5: Solve for x
    x = 6,658,144,837.96/124,443.92
  6. Step 6: Final answer
    x = 53,503.18

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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.