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Finding the Fourth Proportional to 82,686.72, 114,108.24 and 44,961.12

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Solution

The fourth proportional to 82,686.72, 114,108.24 and 44,961.12 is: 62,046.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,686.72 : 114,108.24 = 44,961.12 : x
  2. Step 2: Convert to fraction form
    82,686.72/114,108.24 = 44,961.12/x
  3. Step 3: Cross multiply
    82,686.72x = 114,108.24 × 44,961.12
  4. Step 4: Simplify right side
    82,686.72x = 5,130,434,271.63
  5. Step 5: Solve for x
    x = 5,130,434,271.63/82,686.72
  6. Step 6: Final answer
    x = 62,046.65

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.