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Finding the Fourth Proportional to 77,999.61, 107,630.20 and 44,006.11

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Solution

The fourth proportional to 77,999.61, 107,630.20 and 44,006.11 is: 60,723.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,999.61 : 107,630.20 = 44,006.11 : x
  2. Step 2: Convert to fraction form
    77,999.61/107,630.20 = 44,006.11/x
  3. Step 3: Cross multiply
    77,999.61x = 107,630.20 × 44,006.11
  4. Step 4: Simplify right side
    77,999.61x = 4,736,386,189.31
  5. Step 5: Solve for x
    x = 4,736,386,189.31/77,999.61
  6. Step 6: Final answer
    x = 60,723.21

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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.