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Finding the Fourth Proportional to 117,918.60, 176,877.90 and 58,869.60

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Solution

The fourth proportional to 117,918.60, 176,877.90 and 58,869.60 is: 88,304.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,918.60 : 176,877.90 = 58,869.60 : x
  2. Step 2: Convert to fraction form
    117,918.60/176,877.90 = 58,869.60/x
  3. Step 3: Cross multiply
    117,918.60x = 176,877.90 × 58,869.60
  4. Step 4: Simplify right side
    117,918.60x = 10,412,731,221.84
  5. Step 5: Solve for x
    x = 10,412,731,221.84/117,918.60
  6. Step 6: Final answer
    x = 88,304.40

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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.