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Finding the Fourth Proportional to 177,711.57, 245,248.56 and 97,144.56

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Solution

The fourth proportional to 177,711.57, 245,248.56 and 97,144.56 is: 134,063.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,711.57 : 245,248.56 = 97,144.56 : x
  2. Step 2: Convert to fraction form
    177,711.57/245,248.56 = 97,144.56/x
  3. Step 3: Cross multiply
    177,711.57x = 245,248.56 × 97,144.56
  4. Step 4: Simplify right side
    177,711.57x = 23,824,563,451.83
  5. Step 5: Solve for x
    x = 23,824,563,451.83/177,711.57
  6. Step 6: Final answer
    x = 134,063.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.