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Finding the Fourth Proportional to 82,868.93, 124,285.93 and 26,714.06

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Solution

The fourth proportional to 82,868.93, 124,285.93 and 26,714.06 is: 40,065.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,868.93 : 124,285.93 = 26,714.06 : x
  2. Step 2: Convert to fraction form
    82,868.93/124,285.93 = 26,714.06/x
  3. Step 3: Cross multiply
    82,868.93x = 124,285.93 × 26,714.06
  4. Step 4: Simplify right side
    82,868.93x = 3,320,181,791.18
  5. Step 5: Solve for x
    x = 3,320,181,791.18/82,868.93
  6. Step 6: Final answer
    x = 40,065.46

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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.