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Finding the Fourth Proportional to 83,068.50, 124,601.58 and 38,670.42

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Solution

The fourth proportional to 83,068.50, 124,601.58 and 38,670.42 is: 58,005.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,068.50 : 124,601.58 = 38,670.42 : x
  2. Step 2: Convert to fraction form
    83,068.50/124,601.58 = 38,670.42/x
  3. Step 3: Cross multiply
    83,068.50x = 124,601.58 × 38,670.42
  4. Step 4: Simplify right side
    83,068.50x = 4,818,395,431.26
  5. Step 5: Solve for x
    x = 4,818,395,431.26/83,068.50
  6. Step 6: Final answer
    x = 58,005.09

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.