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Finding the Fourth Proportional to 187,698.60, 281,551.68 and 61,339.41

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Solution

The fourth proportional to 187,698.60, 281,551.68 and 61,339.41 is: 92,010.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,698.60 : 281,551.68 = 61,339.41 : x
  2. Step 2: Convert to fraction form
    187,698.60/281,551.68 = 61,339.41/x
  3. Step 3: Cross multiply
    187,698.60x = 281,551.68 × 61,339.41
  4. Step 4: Simplify right side
    187,698.60x = 17,270,213,935.71
  5. Step 5: Solve for x
    x = 17,270,213,935.71/187,698.60
  6. Step 6: Final answer
    x = 92,010.35

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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.