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Finding the Fourth Proportional to 98,612.88, 147,888 and 32,037.63

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Solution

The fourth proportional to 98,612.88, 147,888 and 32,037.63 is: 48,046.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,612.88 : 147,888 = 32,037.63 : x
  2. Step 2: Convert to fraction form
    98,612.88/147,888 = 32,037.63/x
  3. Step 3: Cross multiply
    98,612.88x = 147,888 × 32,037.63
  4. Step 4: Simplify right side
    98,612.88x = 4,737,981,025.44
  5. Step 5: Solve for x
    x = 4,737,981,025.44/98,612.88
  6. Step 6: Final answer
    x = 48,046.27

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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.