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Finding the Fourth Proportional to 254,034.88, 350,585.76 and 140,868.16

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Solution

The fourth proportional to 254,034.88, 350,585.76 and 140,868.16 is: 194,407.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,034.88 : 350,585.76 = 140,868.16 : x
  2. Step 2: Convert to fraction form
    254,034.88/350,585.76 = 140,868.16/x
  3. Step 3: Cross multiply
    254,034.88x = 350,585.76 × 140,868.16
  4. Step 4: Simplify right side
    254,034.88x = 49,386,370,933.40
  5. Step 5: Solve for x
    x = 49,386,370,933.40/254,034.88
  6. Step 6: Final answer
    x = 194,407.83

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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.