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Finding the Fourth Proportional to 84,758.68, 116,937.93 and 48,434.03

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Solution

The fourth proportional to 84,758.68, 116,937.93 and 48,434.03 is: 66,822.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,758.68 : 116,937.93 = 48,434.03 : x
  2. Step 2: Convert to fraction form
    84,758.68/116,937.93 = 48,434.03/x
  3. Step 3: Cross multiply
    84,758.68x = 116,937.93 × 48,434.03
  4. Step 4: Simplify right side
    84,758.68x = 5,663,775,209.76
  5. Step 5: Solve for x
    x = 5,663,775,209.76/84,758.68
  6. Step 6: Final answer
    x = 66,822.36

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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.