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Finding the Fourth Proportional to 321,959.18, 482,938.76 and 111,597.11

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Solution

The fourth proportional to 321,959.18, 482,938.76 and 111,597.11 is: 167,395.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,959.18 : 482,938.76 = 111,597.11 : x
  2. Step 2: Convert to fraction form
    321,959.18/482,938.76 = 111,597.11/x
  3. Step 3: Cross multiply
    321,959.18x = 482,938.76 × 111,597.11
  4. Step 4: Simplify right side
    321,959.18x = 53,894,566,950.30
  5. Step 5: Solve for x
    x = 53,894,566,950.30/321,959.18
  6. Step 6: Final answer
    x = 167,395.65

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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.