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Finding the Fourth Proportional to 234,678.65, 351,901.52 and 74,733.74

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Solution

The fourth proportional to 234,678.65, 351,901.52 and 74,733.74 is: 112,063.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,678.65 : 351,901.52 = 74,733.74 : x
  2. Step 2: Convert to fraction form
    234,678.65/351,901.52 = 74,733.74/x
  3. Step 3: Cross multiply
    234,678.65x = 351,901.52 × 74,733.74
  4. Step 4: Simplify right side
    234,678.65x = 26,298,914,568.11
  5. Step 5: Solve for x
    x = 26,298,914,568.11/234,678.65
  6. Step 6: Final answer
    x = 112,063.52

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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.