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Finding the Fourth Proportional to 119,433.48, 179,143.74 and 36,321

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Solution

The fourth proportional to 119,433.48, 179,143.74 and 36,321 is: 54,479.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,433.48 : 179,143.74 = 36,321 : x
  2. Step 2: Convert to fraction form
    119,433.48/179,143.74 = 36,321/x
  3. Step 3: Cross multiply
    119,433.48x = 179,143.74 × 36,321
  4. Step 4: Simplify right side
    119,433.48x = 6,506,679,780.54
  5. Step 5: Solve for x
    x = 6,506,679,780.54/119,433.48
  6. Step 6: Final answer
    x = 54,479.53

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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.