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Finding the Fourth Proportional to 235,521.53, 353,229.22 and 67,038.12

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Solution

The fourth proportional to 235,521.53, 353,229.22 and 67,038.12 is: 100,542.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,521.53 : 353,229.22 = 67,038.12 : x
  2. Step 2: Convert to fraction form
    235,521.53/353,229.22 = 67,038.12/x
  3. Step 3: Cross multiply
    235,521.53x = 353,229.22 × 67,038.12
  4. Step 4: Simplify right side
    235,521.53x = 23,679,822,921.66
  5. Step 5: Solve for x
    x = 23,679,822,921.66/235,521.53
  6. Step 6: Final answer
    x = 100,542.07

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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.