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Finding the Fourth Proportional to 177,311.60, 265,967.40 and 83,999.60

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Solution

The fourth proportional to 177,311.60, 265,967.40 and 83,999.60 is: 125,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,311.60 : 265,967.40 = 83,999.60 : x
  2. Step 2: Convert to fraction form
    177,311.60/265,967.40 = 83,999.60/x
  3. Step 3: Cross multiply
    177,311.60x = 265,967.40 × 83,999.60
  4. Step 4: Simplify right side
    177,311.60x = 22,341,155,213.04
  5. Step 5: Solve for x
    x = 22,341,155,213.04/177,311.60
  6. Step 6: Final answer
    x = 125,999.40

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1.5x scale

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.