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Finding the Fourth Proportional to 177,319.40, 265,979.10 and 88,586.60

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Solution

The fourth proportional to 177,319.40, 265,979.10 and 88,586.60 is: 132,879.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,319.40 : 265,979.10 = 88,586.60 : x
  2. Step 2: Convert to fraction form
    177,319.40/265,979.10 = 88,586.60/x
  3. Step 3: Cross multiply
    177,319.40x = 265,979.10 × 88,586.60
  4. Step 4: Simplify right side
    177,319.40x = 23,562,184,140.06
  5. Step 5: Solve for x
    x = 23,562,184,140.06/177,319.40
  6. Step 6: Final answer
    x = 132,879.90

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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.