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Finding the Fourth Proportional to 77,706.92, 107,235.06 and 44,172.92

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Solution

The fourth proportional to 77,706.92, 107,235.06 and 44,172.92 is: 60,958.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,706.92 : 107,235.06 = 44,172.92 : x
  2. Step 2: Convert to fraction form
    77,706.92/107,235.06 = 44,172.92/x
  3. Step 3: Cross multiply
    77,706.92x = 107,235.06 × 44,172.92
  4. Step 4: Simplify right side
    77,706.92x = 4,736,885,726.58
  5. Step 5: Solve for x
    x = 4,736,885,726.58/77,706.92
  6. Step 6: Final answer
    x = 60,958.35

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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.