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Finding the Fourth Proportional to 74,271.90, 111,425.16 and 24,348.90

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Solution

The fourth proportional to 74,271.90, 111,425.16 and 24,348.90 is: 36,529.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,271.90 : 111,425.16 = 24,348.90 : x
  2. Step 2: Convert to fraction form
    74,271.90/111,425.16 = 24,348.90/x
  3. Step 3: Cross multiply
    74,271.90x = 111,425.16 × 24,348.90
  4. Step 4: Simplify right side
    74,271.90x = 2,713,080,078.32
  5. Step 5: Solve for x
    x = 2,713,080,078.32/74,271.90
  6. Step 6: Final answer
    x = 36,529.02

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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.