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Finding the Fourth Proportional to 67,227.90, 100,623.15 and 52,356.30

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Solution

The fourth proportional to 67,227.90, 100,623.15 and 52,356.30 is: 78,364.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,227.90 : 100,623.15 = 52,356.30 : x
  2. Step 2: Convert to fraction form
    67,227.90/100,623.15 = 52,356.30/x
  3. Step 3: Cross multiply
    67,227.90x = 100,623.15 × 52,356.30
  4. Step 4: Simplify right side
    67,227.90x = 5,268,255,828.35
  5. Step 5: Solve for x
    x = 5,268,255,828.35/67,227.90
  6. Step 6: Final answer
    x = 78,364.13

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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.