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Finding the Fourth Proportional to 188,254.60, 282,416.88 and 61,901.92

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Solution

The fourth proportional to 188,254.60, 282,416.88 and 61,901.92 is: 92,864.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,254.60 : 282,416.88 = 61,901.92 : x
  2. Step 2: Convert to fraction form
    188,254.60/282,416.88 = 61,901.92/x
  3. Step 3: Cross multiply
    188,254.60x = 282,416.88 × 61,901.92
  4. Step 4: Simplify right side
    188,254.60x = 17,482,147,112.41
  5. Step 5: Solve for x
    x = 17,482,147,112.41/188,254.60
  6. Step 6: Final answer
    x = 92,864.38

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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.