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Finding the Fourth Proportional to 155,224.82, 232,763.52 and 70,959.98

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Solution

The fourth proportional to 155,224.82, 232,763.52 and 70,959.98 is: 106,406.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,224.82 : 232,763.52 = 70,959.98 : x
  2. Step 2: Convert to fraction form
    155,224.82/232,763.52 = 70,959.98/x
  3. Step 3: Cross multiply
    155,224.82x = 232,763.52 × 70,959.98
  4. Step 4: Simplify right side
    155,224.82x = 16,516,894,723.93
  5. Step 5: Solve for x
    x = 16,516,894,723.93/155,224.82
  6. Step 6: Final answer
    x = 106,406.27

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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.