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Finding the Fourth Proportional to 177,318.40, 265,977.60 and 88,585.60

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Solution

The fourth proportional to 177,318.40, 265,977.60 and 88,585.60 is: 132,878.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,318.40 : 265,977.60 = 88,585.60 : x
  2. Step 2: Convert to fraction form
    177,318.40/265,977.60 = 88,585.60/x
  3. Step 3: Cross multiply
    177,318.40x = 265,977.60 × 88,585.60
  4. Step 4: Simplify right side
    177,318.40x = 23,561,785,282.56
  5. Step 5: Solve for x
    x = 23,561,785,282.56/177,318.40
  6. Step 6: Final answer
    x = 132,878.40

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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.