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Finding the Fourth Proportional to 74,978.46, 112,523.04 and 35,535.65

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Solution

The fourth proportional to 74,978.46, 112,523.04 and 35,535.65 is: 53,329.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,978.46 : 112,523.04 = 35,535.65 : x
  2. Step 2: Convert to fraction form
    74,978.46/112,523.04 = 35,535.65/x
  3. Step 3: Cross multiply
    74,978.46x = 112,523.04 × 35,535.65
  4. Step 4: Simplify right side
    74,978.46x = 3,998,578,803.76
  5. Step 5: Solve for x
    x = 3,998,578,803.76/74,978.46
  6. Step 6: Final answer
    x = 53,329.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.