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Finding the Fourth Proportional to 254,123.52, 350,690.56 and 140,946.27

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Solution

The fourth proportional to 254,123.52, 350,690.56 and 140,946.27 is: 194,505.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,123.52 : 350,690.56 = 140,946.27 : x
  2. Step 2: Convert to fraction form
    254,123.52/350,690.56 = 140,946.27/x
  3. Step 3: Cross multiply
    254,123.52x = 350,690.56 × 140,946.27
  4. Step 4: Simplify right side
    254,123.52x = 49,428,526,356.21
  5. Step 5: Solve for x
    x = 49,428,526,356.21/254,123.52
  6. Step 6: Final answer
    x = 194,505.91

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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.