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Finding the Fourth Proportional to 217,000.86, 325,516.92 and 74,844.14

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Solution

The fourth proportional to 217,000.86, 325,516.92 and 74,844.14 is: 112,271.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,000.86 : 325,516.92 = 74,844.14 : x
  2. Step 2: Convert to fraction form
    217,000.86/325,516.92 = 74,844.14/x
  3. Step 3: Cross multiply
    217,000.86x = 325,516.92 × 74,844.14
  4. Step 4: Simplify right side
    217,000.86x = 24,363,032,305.26
  5. Step 5: Solve for x
    x = 24,363,032,305.26/217,000.86
  6. Step 6: Final answer
    x = 112,271.59

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1.5x scale

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.