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Finding the Fourth Proportional to 177,279.60, 266,074.92 and 98,482.80

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Solution

The fourth proportional to 177,279.60, 266,074.92 and 98,482.80 is: 147,810.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,279.60 : 266,074.92 = 98,482.80 : x
  2. Step 2: Convert to fraction form
    177,279.60/266,074.92 = 98,482.80/x
  3. Step 3: Cross multiply
    177,279.60x = 266,074.92 × 98,482.80
  4. Step 4: Simplify right side
    177,279.60x = 26,203,803,131.38
  5. Step 5: Solve for x
    x = 26,203,803,131.38/177,279.60
  6. Step 6: Final answer
    x = 147,810.59

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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.