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Finding the Fourth Proportional to 188,393.04, 282,348.99 and 88,332.66

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Solution

The fourth proportional to 188,393.04, 282,348.99 and 88,332.66 is: 132,386.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,393.04 : 282,348.99 = 88,332.66 : x
  2. Step 2: Convert to fraction form
    188,393.04/282,348.99 = 88,332.66/x
  3. Step 3: Cross multiply
    188,393.04x = 282,348.99 × 88,332.66
  4. Step 4: Simplify right side
    188,393.04x = 24,940,637,335.01
  5. Step 5: Solve for x
    x = 24,940,637,335.01/188,393.04
  6. Step 6: Final answer
    x = 132,386.19

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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.