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Finding the Fourth Proportional to 177,320.40, 265,980.60 and 88,587.60

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Solution

The fourth proportional to 177,320.40, 265,980.60 and 88,587.60 is: 132,881.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,320.40 : 265,980.60 = 88,587.60 : x
  2. Step 2: Convert to fraction form
    177,320.40/265,980.60 = 88,587.60/x
  3. Step 3: Cross multiply
    177,320.40x = 265,980.60 × 88,587.60
  4. Step 4: Simplify right side
    177,320.40x = 23,562,583,000.56
  5. Step 5: Solve for x
    x = 23,562,583,000.56/177,320.40
  6. Step 6: Final answer
    x = 132,881.40

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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.