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Finding the Fourth Proportional to 254,153.84, 350,723.36 and 140,987.12

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Solution

The fourth proportional to 254,153.84, 350,723.36 and 140,987.12 is: 194,557.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,153.84 : 350,723.36 = 140,987.12 : x
  2. Step 2: Convert to fraction form
    254,153.84/350,723.36 = 140,987.12/x
  3. Step 3: Cross multiply
    254,153.84x = 350,723.36 × 140,987.12
  4. Step 4: Simplify right side
    254,153.84x = 49,447,476,443.12
  5. Step 5: Solve for x
    x = 49,447,476,443.12/254,153.84
  6. Step 6: Final answer
    x = 194,557.27

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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.