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Finding the Fourth Proportional to 98,859.60, 148,312.85 and 32,299.61

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Solution

The fourth proportional to 98,859.60, 148,312.85 and 32,299.61 is: 48,457.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,859.60 : 148,312.85 = 32,299.61 : x
  2. Step 2: Convert to fraction form
    98,859.60/148,312.85 = 32,299.61/x
  3. Step 3: Cross multiply
    98,859.60x = 148,312.85 × 32,299.61
  4. Step 4: Simplify right side
    98,859.60x = 4,790,446,309.93
  5. Step 5: Solve for x
    x = 4,790,446,309.93/98,859.60
  6. Step 6: Final answer
    x = 48,457.07

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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.