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Finding the Fourth Proportional to 62,218.44, 85,834.13 and 42,068.03

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Solution

The fourth proportional to 62,218.44, 85,834.13 and 42,068.03 is: 58,035.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,218.44 : 85,834.13 = 42,068.03 : x
  2. Step 2: Convert to fraction form
    62,218.44/85,834.13 = 42,068.03/x
  3. Step 3: Cross multiply
    62,218.44x = 85,834.13 × 42,068.03
  4. Step 4: Simplify right side
    62,218.44x = 3,610,872,116.35
  5. Step 5: Solve for x
    x = 3,610,872,116.35/62,218.44
  6. Step 6: Final answer
    x = 58,035.40

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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.