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Finding the Fourth Proportional to 177,321.60, 265,935.60 and 88,509.60

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Solution

The fourth proportional to 177,321.60, 265,935.60 and 88,509.60 is: 132,741.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,321.60 : 265,935.60 = 88,509.60 : x
  2. Step 2: Convert to fraction form
    177,321.60/265,935.60 = 88,509.60/x
  3. Step 3: Cross multiply
    177,321.60x = 265,935.60 × 88,509.60
  4. Step 4: Simplify right side
    177,321.60x = 23,537,853,581.76
  5. Step 5: Solve for x
    x = 23,537,853,581.76/177,321.60
  6. Step 6: Final answer
    x = 132,741.04

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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.