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Finding the Fourth Proportional to 67,652.59, 101,479.56 and 30,214.57

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Solution

The fourth proportional to 67,652.59, 101,479.56 and 30,214.57 is: 45,322.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,652.59 : 101,479.56 = 30,214.57 : x
  2. Step 2: Convert to fraction form
    67,652.59/101,479.56 = 30,214.57/x
  3. Step 3: Cross multiply
    67,652.59x = 101,479.56 × 30,214.57
  4. Step 4: Simplify right side
    67,652.59x = 3,066,161,269.19
  5. Step 5: Solve for x
    x = 3,066,161,269.19/67,652.59
  6. Step 6: Final answer
    x = 45,322.16

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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.