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Finding the Fourth Proportional to 147,870.59, 204,061.51 and 79,887.53

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Solution

The fourth proportional to 147,870.59, 204,061.51 and 79,887.53 is: 110,244.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,870.59 : 204,061.51 = 79,887.53 : x
  2. Step 2: Convert to fraction form
    147,870.59/204,061.51 = 79,887.53/x
  3. Step 3: Cross multiply
    147,870.59x = 204,061.51 × 79,887.53
  4. Step 4: Simplify right side
    147,870.59x = 16,301,970,611.98
  5. Step 5: Solve for x
    x = 16,301,970,611.98/147,870.59
  6. Step 6: Final answer
    x = 110,244.85

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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.