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Finding the Fourth Proportional to 159,813.80, 239,492.24 and 117,360.88

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Solution

The fourth proportional to 159,813.80, 239,492.24 and 117,360.88 is: 175,873.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,813.80 : 239,492.24 = 117,360.88 : x
  2. Step 2: Convert to fraction form
    159,813.80/239,492.24 = 117,360.88/x
  3. Step 3: Cross multiply
    159,813.80x = 239,492.24 × 117,360.88
  4. Step 4: Simplify right side
    159,813.80x = 28,107,020,039.57
  5. Step 5: Solve for x
    x = 28,107,020,039.57/159,813.80
  6. Step 6: Final answer
    x = 175,873.55

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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.