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Finding the Fourth Proportional to 82,932,493.80, 124,398,740.70 and 36,874,273.80

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Solution

The fourth proportional to 82,932,493.80, 124,398,740.70 and 36,874,273.80 is: 55,311,410.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,932,493.80 : 124,398,740.70 = 36,874,273.80 : x
  2. Step 2: Convert to fraction form
    82,932,493.80/124,398,740.70 = 36,874,273.80/x
  3. Step 3: Cross multiply
    82,932,493.80x = 124,398,740.70 × 36,874,273.80
  4. Step 4: Simplify right side
    82,932,493.80x = 4,587,113,224,947,003
  5. Step 5: Solve for x
    x = 4,587,113,224,947,003/82,932,493.80
  6. Step 6: Final answer
    x = 55,311,410.70

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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.