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Finding the Fourth Proportional to 84,718.33, 116,907.05 and 48,906.20

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Solution

The fourth proportional to 84,718.33, 116,907.05 and 48,906.20 is: 67,488.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,718.33 : 116,907.05 = 48,906.20 : x
  2. Step 2: Convert to fraction form
    84,718.33/116,907.05 = 48,906.20/x
  3. Step 3: Cross multiply
    84,718.33x = 116,907.05 × 48,906.20
  4. Step 4: Simplify right side
    84,718.33x = 5,717,479,983.24
  5. Step 5: Solve for x
    x = 5,717,479,983.24/84,718.33
  6. Step 6: Final answer
    x = 67,488.11

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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.