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Finding the Fourth Proportional to 234,656.84, 351,829.78 and 84,877.42

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Solution

The fourth proportional to 234,656.84, 351,829.78 and 84,877.42 is: 127,259.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,656.84 : 351,829.78 = 84,877.42 : x
  2. Step 2: Convert to fraction form
    234,656.84/351,829.78 = 84,877.42/x
  3. Step 3: Cross multiply
    234,656.84x = 351,829.78 × 84,877.42
  4. Step 4: Simplify right side
    234,656.84x = 29,862,404,005.57
  5. Step 5: Solve for x
    x = 29,862,404,005.57/234,656.84
  6. Step 6: Final answer
    x = 127,259.89

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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.