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Finding the Fourth Proportional to 254,149.44, 350,737.68 and 140,972.16

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Solution

The fourth proportional to 254,149.44, 350,737.68 and 140,972.16 is: 194,547.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,149.44 : 350,737.68 = 140,972.16 : x
  2. Step 2: Convert to fraction form
    254,149.44/350,737.68 = 140,972.16/x
  3. Step 3: Cross multiply
    254,149.44x = 350,737.68 × 140,972.16
  4. Step 4: Simplify right side
    254,149.44x = 49,444,248,342.99
  5. Step 5: Solve for x
    x = 49,444,248,342.99/254,149.44
  6. Step 6: Final answer
    x = 194,547.93

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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.