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Finding the Fourth Proportional to 70,714.49, 106,117.88 and 26,376.71

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Solution

The fourth proportional to 70,714.49, 106,117.88 and 26,376.71 is: 39,582.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,714.49 : 106,117.88 = 26,376.71 : x
  2. Step 2: Convert to fraction form
    70,714.49/106,117.88 = 26,376.71/x
  3. Step 3: Cross multiply
    70,714.49x = 106,117.88 × 26,376.71
  4. Step 4: Simplify right side
    70,714.49x = 2,799,039,884.10
  5. Step 5: Solve for x
    x = 2,799,039,884.10/70,714.49
  6. Step 6: Final answer
    x = 39,582.27

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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.