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Finding the Fourth Proportional to 177,854.59, 266,782.33 and 72,673.55

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Solution

The fourth proportional to 177,854.59, 266,782.33 and 72,673.55 is: 109,010.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,854.59 : 266,782.33 = 72,673.55 : x
  2. Step 2: Convert to fraction form
    177,854.59/266,782.33 = 72,673.55/x
  3. Step 3: Cross multiply
    177,854.59x = 266,782.33 × 72,673.55
  4. Step 4: Simplify right side
    177,854.59x = 19,388,020,460.78
  5. Step 5: Solve for x
    x = 19,388,020,460.78/177,854.59
  6. Step 6: Final answer
    x = 109,010.52

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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.