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Finding the Fourth Proportional to 177,359.70, 266,039.55 and 84,047.70

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Solution

The fourth proportional to 177,359.70, 266,039.55 and 84,047.70 is: 126,071.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,359.70 : 266,039.55 = 84,047.70 : x
  2. Step 2: Convert to fraction form
    177,359.70/266,039.55 = 84,047.70/x
  3. Step 3: Cross multiply
    177,359.70x = 266,039.55 × 84,047.70
  4. Step 4: Simplify right side
    177,359.70x = 22,360,012,286.54
  5. Step 5: Solve for x
    x = 22,360,012,286.54/177,359.70
  6. Step 6: Final answer
    x = 126,071.55

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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.