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Finding the Fourth Proportional to 177,619.80, 267,085.80 and 148,751.40

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Solution

The fourth proportional to 177,619.80, 267,085.80 and 148,751.40 is: 223,676.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,619.80 : 267,085.80 = 148,751.40 : x
  2. Step 2: Convert to fraction form
    177,619.80/267,085.80 = 148,751.40/x
  3. Step 3: Cross multiply
    177,619.80x = 267,085.80 × 148,751.40
  4. Step 4: Simplify right side
    177,619.80x = 39,729,386,670.12
  5. Step 5: Solve for x
    x = 39,729,386,670.12/177,619.80
  6. Step 6: Final answer
    x = 223,676.56

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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.