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Finding the Fourth Proportional to 23,472,844.80, 35,167,276.80 and 20,113,612.80

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Solution

The fourth proportional to 23,472,844.80, 35,167,276.80 and 20,113,612.80 is: 30,134,438.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,472,844.80 : 35,167,276.80 = 20,113,612.80 : x
  2. Step 2: Convert to fraction form
    23,472,844.80/35,167,276.80 = 20,113,612.80/x
  3. Step 3: Cross multiply
    23,472,844.80x = 35,167,276.80 × 20,113,612.80
  4. Step 4: Simplify right side
    23,472,844.80x = 707,340,988,785,623
  5. Step 5: Solve for x
    x = 707,340,988,785,623/23,472,844.80
  6. Step 6: Final answer
    x = 30,134,438.11

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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.