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Finding the Fourth Proportional to 177,891.72, 266,573.52 and 98,897.28

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Solution

The fourth proportional to 177,891.72, 266,573.52 and 98,897.28 is: 148,199.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,891.72 : 266,573.52 = 98,897.28 : x
  2. Step 2: Convert to fraction form
    177,891.72/266,573.52 = 98,897.28/x
  3. Step 3: Cross multiply
    177,891.72x = 266,573.52 × 98,897.28
  4. Step 4: Simplify right side
    177,891.72x = 26,363,396,048.03
  5. Step 5: Solve for x
    x = 26,363,396,048.03/177,891.72
  6. Step 6: Final answer
    x = 148,199.12

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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.