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Finding the Fourth Proportional to 78,000.95, 107,641.33 and 44,016.66

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Solution

The fourth proportional to 78,000.95, 107,641.33 and 44,016.66 is: 60,743.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,000.95 : 107,641.33 = 44,016.66 : x
  2. Step 2: Convert to fraction form
    78,000.95/107,641.33 = 44,016.66/x
  3. Step 3: Cross multiply
    78,000.95x = 107,641.33 × 44,016.66
  4. Step 4: Simplify right side
    78,000.95x = 4,738,011,824.56
  5. Step 5: Solve for x
    x = 4,738,011,824.56/78,000.95
  6. Step 6: Final answer
    x = 60,743.00

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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.