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Finding the Fourth Proportional to 60,230.24, 90,351.52 and 20,787.24

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Solution

The fourth proportional to 60,230.24, 90,351.52 and 20,787.24 is: 31,182.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,230.24 : 90,351.52 = 20,787.24 : x
  2. Step 2: Convert to fraction form
    60,230.24/90,351.52 = 20,787.24/x
  3. Step 3: Cross multiply
    60,230.24x = 90,351.52 × 20,787.24
  4. Step 4: Simplify right side
    60,230.24x = 1,878,158,730.60
  5. Step 5: Solve for x
    x = 1,878,158,730.60/60,230.24
  6. Step 6: Final answer
    x = 31,182.99

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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.