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Finding the Fourth Proportional to 70,617.46, 105,926.04 and 44,340.66

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Solution

The fourth proportional to 70,617.46, 105,926.04 and 44,340.66 is: 66,510.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,617.46 : 105,926.04 = 44,340.66 : x
  2. Step 2: Convert to fraction form
    70,617.46/105,926.04 = 44,340.66/x
  3. Step 3: Cross multiply
    70,617.46x = 105,926.04 × 44,340.66
  4. Step 4: Simplify right side
    70,617.46x = 4,696,830,524.79
  5. Step 5: Solve for x
    x = 4,696,830,524.79/70,617.46
  6. Step 6: Final answer
    x = 66,510.90

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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.