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Finding the Fourth Proportional to 78,873.02, 118,291.70 and 22,713.02

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Solution

The fourth proportional to 78,873.02, 118,291.70 and 22,713.02 is: 34,064.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,873.02 : 118,291.70 = 22,713.02 : x
  2. Step 2: Convert to fraction form
    78,873.02/118,291.70 = 22,713.02/x
  3. Step 3: Cross multiply
    78,873.02x = 118,291.70 × 22,713.02
  4. Step 4: Simplify right side
    78,873.02x = 2,686,761,747.93
  5. Step 5: Solve for x
    x = 2,686,761,747.93/78,873.02
  6. Step 6: Final answer
    x = 34,064.40

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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.