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Finding the Fourth Proportional to 177,205.60, 265,885.20 and 83,663.20

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Solution

The fourth proportional to 177,205.60, 265,885.20 and 83,663.20 is: 125,531.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,205.60 : 265,885.20 = 83,663.20 : x
  2. Step 2: Convert to fraction form
    177,205.60/265,885.20 = 83,663.20/x
  3. Step 3: Cross multiply
    177,205.60x = 265,885.20 × 83,663.20
  4. Step 4: Simplify right side
    177,205.60x = 22,244,806,664.64
  5. Step 5: Solve for x
    x = 22,244,806,664.64/177,205.60
  6. Step 6: Final answer
    x = 125,531.06

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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.