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Finding the Fourth Proportional to 338,065.44, 507,059.76 and 88,766.88

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Solution

The fourth proportional to 338,065.44, 507,059.76 and 88,766.88 is: 133,140.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,065.44 : 507,059.76 = 88,766.88 : x
  2. Step 2: Convert to fraction form
    338,065.44/507,059.76 = 88,766.88/x
  3. Step 3: Cross multiply
    338,065.44x = 507,059.76 × 88,766.88
  4. Step 4: Simplify right side
    338,065.44x = 45,010,112,868.75
  5. Step 5: Solve for x
    x = 45,010,112,868.75/338,065.44
  6. Step 6: Final answer
    x = 133,140.24

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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.