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Finding the Fourth Proportional to 82,937.70, 124,394.40 and 23,767.20

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Solution

The fourth proportional to 82,937.70, 124,394.40 and 23,767.20 is: 35,647.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,937.70 : 124,394.40 = 23,767.20 : x
  2. Step 2: Convert to fraction form
    82,937.70/124,394.40 = 23,767.20/x
  3. Step 3: Cross multiply
    82,937.70x = 124,394.40 × 23,767.20
  4. Step 4: Simplify right side
    82,937.70x = 2,956,506,583.68
  5. Step 5: Solve for x
    x = 2,956,506,583.68/82,937.70
  6. Step 6: Final answer
    x = 35,647.32

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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.