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Finding the Fourth Proportional to 155,615.92, 233,340.33 and 48,979.91

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Solution

The fourth proportional to 155,615.92, 233,340.33 and 48,979.91 is: 73,443.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,615.92 : 233,340.33 = 48,979.91 : x
  2. Step 2: Convert to fraction form
    155,615.92/233,340.33 = 48,979.91/x
  3. Step 3: Cross multiply
    155,615.92x = 233,340.33 × 48,979.91
  4. Step 4: Simplify right side
    155,615.92x = 11,428,988,362.77
  5. Step 5: Solve for x
    x = 11,428,988,362.77/155,615.92
  6. Step 6: Final answer
    x = 73,443.57

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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.