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Finding the Fourth Proportional to 234,039.40, 350,655.90 and 109,124.20

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Solution

The fourth proportional to 234,039.40, 350,655.90 and 109,124.20 is: 163,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,039.40 : 350,655.90 = 109,124.20 : x
  2. Step 2: Convert to fraction form
    234,039.40/350,655.90 = 109,124.20/x
  3. Step 3: Cross multiply
    234,039.40x = 350,655.90 × 109,124.20
  4. Step 4: Simplify right side
    234,039.40x = 38,265,044,562.78
  5. Step 5: Solve for x
    x = 38,265,044,562.78/234,039.40
  6. Step 6: Final answer
    x = 163,498.30

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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.