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Finding the Fourth Proportional to 175,312.20, 262,312.20 and 116,263.20

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Solution

The fourth proportional to 175,312.20, 262,312.20 and 116,263.20 is: 173,959.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,312.20 : 262,312.20 = 116,263.20 : x
  2. Step 2: Convert to fraction form
    175,312.20/262,312.20 = 116,263.20/x
  3. Step 3: Cross multiply
    175,312.20x = 262,312.20 × 116,263.20
  4. Step 4: Simplify right side
    175,312.20x = 30,497,255,771.04
  5. Step 5: Solve for x
    x = 30,497,255,771.04/175,312.20
  6. Step 6: Final answer
    x = 173,959.69

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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.