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Finding the Fourth Proportional to 79,305.94, 118,990.05 and 34,901.55

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Solution

The fourth proportional to 79,305.94, 118,990.05 and 34,901.55 is: 52,366.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,305.94 : 118,990.05 = 34,901.55 : x
  2. Step 2: Convert to fraction form
    79,305.94/118,990.05 = 34,901.55/x
  3. Step 3: Cross multiply
    79,305.94x = 118,990.05 × 34,901.55
  4. Step 4: Simplify right side
    79,305.94x = 4,152,937,179.58
  5. Step 5: Solve for x
    x = 4,152,937,179.58/79,305.94
  6. Step 6: Final answer
    x = 52,366.03

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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.