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Finding the Fourth Proportional to 75,875.66, 104,690.03 and 48,639.30

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Solution

The fourth proportional to 75,875.66, 104,690.03 and 48,639.30 is: 67,110.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,875.66 : 104,690.03 = 48,639.30 : x
  2. Step 2: Convert to fraction form
    75,875.66/104,690.03 = 48,639.30/x
  3. Step 3: Cross multiply
    75,875.66x = 104,690.03 × 48,639.30
  4. Step 4: Simplify right side
    75,875.66x = 5,092,049,897.78
  5. Step 5: Solve for x
    x = 5,092,049,897.78/75,875.66
  6. Step 6: Final answer
    x = 67,110.46

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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.