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Finding the Fourth Proportional to 119,230.65, 178,818.22 and 44,386.05

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Solution

The fourth proportional to 119,230.65, 178,818.22 and 44,386.05 is: 66,568.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,230.65 : 178,818.22 = 44,386.05 : x
  2. Step 2: Convert to fraction form
    119,230.65/178,818.22 = 44,386.05/x
  3. Step 3: Cross multiply
    119,230.65x = 178,818.22 × 44,386.05
  4. Step 4: Simplify right side
    119,230.65x = 7,937,034,453.83
  5. Step 5: Solve for x
    x = 7,937,034,453.83/119,230.65
  6. Step 6: Final answer
    x = 66,568.74

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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.