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Finding the Fourth Proportional to 177,213.60, 265,728.60 and 52,538.40

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Solution

The fourth proportional to 177,213.60, 265,728.60 and 52,538.40 is: 78,780.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,213.60 : 265,728.60 = 52,538.40 : x
  2. Step 2: Convert to fraction form
    177,213.60/265,728.60 = 52,538.40/x
  3. Step 3: Cross multiply
    177,213.60x = 265,728.60 × 52,538.40
  4. Step 4: Simplify right side
    177,213.60x = 13,960,955,478.24
  5. Step 5: Solve for x
    x = 13,960,955,478.24/177,213.60
  6. Step 6: Final answer
    x = 78,780.38

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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.