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Finding the Fourth Proportional to 116,689.60, 175,034.40 and 37,811.80

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Solution

The fourth proportional to 116,689.60, 175,034.40 and 37,811.80 is: 56,717.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,689.60 : 175,034.40 = 37,811.80 : x
  2. Step 2: Convert to fraction form
    116,689.60/175,034.40 = 37,811.80/x
  3. Step 3: Cross multiply
    116,689.60x = 175,034.40 × 37,811.80
  4. Step 4: Simplify right side
    116,689.60x = 6,618,365,725.92
  5. Step 5: Solve for x
    x = 6,618,365,725.92/116,689.60
  6. Step 6: Final answer
    x = 56,717.70

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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.