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Finding the Fourth Proportional to 235,515.95, 353,114.03 and 119,826.12

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Solution

The fourth proportional to 235,515.95, 353,114.03 and 119,826.12 is: 179,657.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,515.95 : 353,114.03 = 119,826.12 : x
  2. Step 2: Convert to fraction form
    235,515.95/353,114.03 = 119,826.12/x
  3. Step 3: Cross multiply
    235,515.95x = 353,114.03 × 119,826.12
  4. Step 4: Simplify right side
    235,515.95x = 42,312,284,132.46
  5. Step 5: Solve for x
    x = 42,312,284,132.46/235,515.95
  6. Step 6: Final answer
    x = 179,657.83

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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.