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Finding the Fourth Proportional to 105,026.67, 144,963 and 62,577

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Solution

The fourth proportional to 105,026.67, 144,963 and 62,577 is: 86,371.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,026.67 : 144,963 = 62,577 : x
  2. Step 2: Convert to fraction form
    105,026.67/144,963 = 62,577/x
  3. Step 3: Cross multiply
    105,026.67x = 144,963 × 62,577
  4. Step 4: Simplify right side
    105,026.67x = 9,071,349,651
  5. Step 5: Solve for x
    x = 9,071,349,651/105,026.67
  6. Step 6: Final answer
    x = 86,371.87

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Why These Related Problems?

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