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Finding the Fourth Proportional to 177,434.30, 266,151.45 and 127,862.30

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Solution

The fourth proportional to 177,434.30, 266,151.45 and 127,862.30 is: 191,793.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,434.30 : 266,151.45 = 127,862.30 : x
  2. Step 2: Convert to fraction form
    177,434.30/266,151.45 = 127,862.30/x
  3. Step 3: Cross multiply
    177,434.30x = 266,151.45 × 127,862.30
  4. Step 4: Simplify right side
    177,434.30x = 34,030,736,545.34
  5. Step 5: Solve for x
    x = 34,030,736,545.34/177,434.30
  6. Step 6: Final answer
    x = 191,793.45

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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.