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Finding the Fourth Proportional to 79,683.62, 110,009.14 and 52,862.49

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Solution

The fourth proportional to 79,683.62, 110,009.14 and 52,862.49 is: 72,980.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,683.62 : 110,009.14 = 52,862.49 : x
  2. Step 2: Convert to fraction form
    79,683.62/110,009.14 = 52,862.49/x
  3. Step 3: Cross multiply
    79,683.62x = 110,009.14 × 52,862.49
  4. Step 4: Simplify right side
    79,683.62x = 5,815,356,931.00
  5. Step 5: Solve for x
    x = 5,815,356,931.00/79,683.62
  6. Step 6: Final answer
    x = 72,980.59

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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.