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Finding the Fourth Proportional to 177,815.19, 266,598.03 and 65,481.00

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Solution

The fourth proportional to 177,815.19, 266,598.03 and 65,481.00 is: 98,175.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,815.19 : 266,598.03 = 65,481.00 : x
  2. Step 2: Convert to fraction form
    177,815.19/266,598.03 = 65,481.00/x
  3. Step 3: Cross multiply
    177,815.19x = 266,598.03 × 65,481.00
  4. Step 4: Simplify right side
    177,815.19x = 17,457,106,160.40
  5. Step 5: Solve for x
    x = 17,457,106,160.40/177,815.19
  6. Step 6: Final answer
    x = 98,175.56

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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.