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Finding the Fourth Proportional to 79,291.48, 118,937.40 and 26,737.88

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Solution

The fourth proportional to 79,291.48, 118,937.40 and 26,737.88 is: 40,106.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,291.48 : 118,937.40 = 26,737.88 : x
  2. Step 2: Convert to fraction form
    79,291.48/118,937.40 = 26,737.88/x
  3. Step 3: Cross multiply
    79,291.48x = 118,937.40 × 26,737.88
  4. Step 4: Simplify right side
    79,291.48x = 3,180,133,928.71
  5. Step 5: Solve for x
    x = 3,180,133,928.71/79,291.48
  6. Step 6: Final answer
    x = 40,106.88

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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.