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Finding the Fourth Proportional to 79,055.80, 118,624.56 and 34,713.70

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Solution

The fourth proportional to 79,055.80, 118,624.56 and 34,713.70 is: 52,088.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,055.80 : 118,624.56 = 34,713.70 : x
  2. Step 2: Convert to fraction form
    79,055.80/118,624.56 = 34,713.70/x
  3. Step 3: Cross multiply
    79,055.80x = 118,624.56 × 34,713.70
  4. Step 4: Simplify right side
    79,055.80x = 4,117,897,388.47
  5. Step 5: Solve for x
    x = 4,117,897,388.47/79,055.80
  6. Step 6: Final answer
    x = 52,088.49

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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.