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Finding the Fourth Proportional to 177,554.80, 265,986.60 and 107,225.20

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Solution

The fourth proportional to 177,554.80, 265,986.60 and 107,225.20 is: 160,629.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,554.80 : 265,986.60 = 107,225.20 : x
  2. Step 2: Convert to fraction form
    177,554.80/265,986.60 = 107,225.20/x
  3. Step 3: Cross multiply
    177,554.80x = 265,986.60 × 107,225.20
  4. Step 4: Simplify right side
    177,554.80x = 28,520,466,382.32
  5. Step 5: Solve for x
    x = 28,520,466,382.32/177,554.80
  6. Step 6: Final answer
    x = 160,629.09

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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.