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Finding the Fourth Proportional to 177,472.40, 266,077.30 and 83,868.80

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Solution

The fourth proportional to 177,472.40, 266,077.30 and 83,868.80 is: 125,741.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,472.40 : 266,077.30 = 83,868.80 : x
  2. Step 2: Convert to fraction form
    177,472.40/266,077.30 = 83,868.80/x
  3. Step 3: Cross multiply
    177,472.40x = 266,077.30 × 83,868.80
  4. Step 4: Simplify right side
    177,472.40x = 22,315,583,858.24
  5. Step 5: Solve for x
    x = 22,315,583,858.24/177,472.40
  6. Step 6: Final answer
    x = 125,741.15

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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.