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Finding the Fourth Proportional to 78,792.08, 108,717.59 and 44,794.70

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Solution

The fourth proportional to 78,792.08, 108,717.59 and 44,794.70 is: 61,807.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,792.08 : 108,717.59 = 44,794.70 : x
  2. Step 2: Convert to fraction form
    78,792.08/108,717.59 = 44,794.70/x
  3. Step 3: Cross multiply
    78,792.08x = 108,717.59 × 44,794.70
  4. Step 4: Simplify right side
    78,792.08x = 4,869,971,397.17
  5. Step 5: Solve for x
    x = 4,869,971,397.17/78,792.08
  6. Step 6: Final answer
    x = 61,807.88

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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.