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Finding the Fourth Proportional to 124,974, 172,463.66 and 67,613.34

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Solution

The fourth proportional to 124,974, 172,463.66 and 67,613.34 is: 93,306.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,974 : 172,463.66 = 67,613.34 : x
  2. Step 2: Convert to fraction form
    124,974/172,463.66 = 67,613.34/x
  3. Step 3: Cross multiply
    124,974x = 172,463.66 × 67,613.34
  4. Step 4: Simplify right side
    124,974x = 11,660,845,023.77
  5. Step 5: Solve for x
    x = 11,660,845,023.77/124,974
  6. Step 6: Final answer
    x = 93,306.17

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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.