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Finding the Fourth Proportional to 80,999.76, 121,503.30 and 24,835.77

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Solution

The fourth proportional to 80,999.76, 121,503.30 and 24,835.77 is: 37,254.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,999.76 : 121,503.30 = 24,835.77 : x
  2. Step 2: Convert to fraction form
    80,999.76/121,503.30 = 24,835.77/x
  3. Step 3: Cross multiply
    80,999.76x = 121,503.30 × 24,835.77
  4. Step 4: Simplify right side
    80,999.76x = 3,017,628,013.04
  5. Step 5: Solve for x
    x = 3,017,628,013.04/80,999.76
  6. Step 6: Final answer
    x = 37,254.78

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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.