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Finding the Fourth Proportional to 88,644.88, 122,324.78 and 50,398.91

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Solution

The fourth proportional to 88,644.88, 122,324.78 and 50,398.91 is: 69,547.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,644.88 : 122,324.78 = 50,398.91 : x
  2. Step 2: Convert to fraction form
    88,644.88/122,324.78 = 50,398.91/x
  3. Step 3: Cross multiply
    88,644.88x = 122,324.78 × 50,398.91
  4. Step 4: Simplify right side
    88,644.88x = 6,165,035,551.08
  5. Step 5: Solve for x
    x = 6,165,035,551.08/88,644.88
  6. Step 6: Final answer
    x = 69,547.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.