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Finding the Fourth Proportional to 118,228.68, 176,926.95 and 73,876.32

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Solution

The fourth proportional to 118,228.68, 176,926.95 and 73,876.32 is: 110,554.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,228.68 : 176,926.95 = 73,876.32 : x
  2. Step 2: Convert to fraction form
    118,228.68/176,926.95 = 73,876.32/x
  3. Step 3: Cross multiply
    118,228.68x = 176,926.95 × 73,876.32
  4. Step 4: Simplify right side
    118,228.68x = 13,070,711,974.82
  5. Step 5: Solve for x
    x = 13,070,711,974.82/118,228.68
  6. Step 6: Final answer
    x = 110,554.49

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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.