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Finding the Fourth Proportional to 188,508.48, 282,529.28 and 94,963.20

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Solution

The fourth proportional to 188,508.48, 282,529.28 and 94,963.20 is: 142,327.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,508.48 : 282,529.28 = 94,963.20 : x
  2. Step 2: Convert to fraction form
    188,508.48/282,529.28 = 94,963.20/x
  3. Step 3: Cross multiply
    188,508.48x = 282,529.28 × 94,963.20
  4. Step 4: Simplify right side
    188,508.48x = 26,829,884,522.50
  5. Step 5: Solve for x
    x = 26,829,884,522.50/188,508.48
  6. Step 6: Final answer
    x = 142,327.20

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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.