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Finding the Fourth Proportional to 112,551.89, 168,810.15 and 36,653.17

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Solution

The fourth proportional to 112,551.89, 168,810.15 and 36,653.17 is: 54,974.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,551.89 : 168,810.15 = 36,653.17 : x
  2. Step 2: Convert to fraction form
    112,551.89/168,810.15 = 36,653.17/x
  3. Step 3: Cross multiply
    112,551.89x = 168,810.15 × 36,653.17
  4. Step 4: Simplify right side
    112,551.89x = 6,187,427,291.92
  5. Step 5: Solve for x
    x = 6,187,427,291.92/112,551.89
  6. Step 6: Final answer
    x = 54,974.00

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Why These Related Problems?

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