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Finding the Fourth Proportional to 78,706.67, 108,619.06 and 44,262.24

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Solution

The fourth proportional to 78,706.67, 108,619.06 and 44,262.24 is: 61,084.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,706.67 : 108,619.06 = 44,262.24 : x
  2. Step 2: Convert to fraction form
    78,706.67/108,619.06 = 44,262.24/x
  3. Step 3: Cross multiply
    78,706.67x = 108,619.06 × 44,262.24
  4. Step 4: Simplify right side
    78,706.67x = 4,807,722,902.29
  5. Step 5: Solve for x
    x = 4,807,722,902.29/78,706.67
  6. Step 6: Final answer
    x = 61,084.06

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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.