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Finding the Fourth Proportional to 177,554.80, 266,332.20 and 98,822.80

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Solution

The fourth proportional to 177,554.80, 266,332.20 and 98,822.80 is: 148,234.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,554.80 : 266,332.20 = 98,822.80 : x
  2. Step 2: Convert to fraction form
    177,554.80/266,332.20 = 98,822.80/x
  3. Step 3: Cross multiply
    177,554.80x = 266,332.20 × 98,822.80
  4. Step 4: Simplify right side
    177,554.80x = 26,319,693,734.16
  5. Step 5: Solve for x
    x = 26,319,693,734.16/177,554.80
  6. Step 6: Final answer
    x = 148,234.20

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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.