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Finding the Fourth Proportional to 119,916.90, 179,900.88 and 35,677.32

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Solution

The fourth proportional to 119,916.90, 179,900.88 and 35,677.32 is: 53,523.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,916.90 : 179,900.88 = 35,677.32 : x
  2. Step 2: Convert to fraction form
    119,916.90/179,900.88 = 35,677.32/x
  3. Step 3: Cross multiply
    119,916.90x = 179,900.88 × 35,677.32
  4. Step 4: Simplify right side
    119,916.90x = 6,418,381,264.04
  5. Step 5: Solve for x
    x = 6,418,381,264.04/119,916.90
  6. Step 6: Final answer
    x = 53,523.58

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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.