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Finding the Fourth Proportional to 109,506.80, 151,119.06 and 59,205.80

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Solution

The fourth proportional to 109,506.80, 151,119.06 and 59,205.80 is: 81,703.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,506.80 : 151,119.06 = 59,205.80 : x
  2. Step 2: Convert to fraction form
    109,506.80/151,119.06 = 59,205.80/x
  3. Step 3: Cross multiply
    109,506.80x = 151,119.06 × 59,205.80
  4. Step 4: Simplify right side
    109,506.80x = 8,947,124,842.55
  5. Step 5: Solve for x
    x = 8,947,124,842.55/109,506.80
  6. Step 6: Final answer
    x = 81,703.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.