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Finding the Fourth Proportional to 98,859.20, 148,310.40 and 32,302.40

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Solution

The fourth proportional to 98,859.20, 148,310.40 and 32,302.40 is: 48,460.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,859.20 : 148,310.40 = 32,302.40 : x
  2. Step 2: Convert to fraction form
    98,859.20/148,310.40 = 32,302.40/x
  3. Step 3: Cross multiply
    98,859.20x = 148,310.40 × 32,302.40
  4. Step 4: Simplify right side
    98,859.20x = 4,790,781,864.96
  5. Step 5: Solve for x
    x = 4,790,781,864.96/98,859.20
  6. Step 6: Final answer
    x = 48,460.66

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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.