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Finding the Fourth Proportional to 187,762.68, 281,708.82 and 117,558.36

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Solution

The fourth proportional to 187,762.68, 281,708.82 and 117,558.36 is: 176,378.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,762.68 : 281,708.82 = 117,558.36 : x
  2. Step 2: Convert to fraction form
    187,762.68/281,708.82 = 117,558.36/x
  3. Step 3: Cross multiply
    187,762.68x = 281,708.82 × 117,558.36
  4. Step 4: Simplify right side
    187,762.68x = 33,117,226,876.74
  5. Step 5: Solve for x
    x = 33,117,226,876.74/187,762.68
  6. Step 6: Final answer
    x = 176,378.11

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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.