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Finding the Fourth Proportional to 73,656.67, 101,638.63 and 41,386.17

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Solution

The fourth proportional to 73,656.67, 101,638.63 and 41,386.17 is: 57,108.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,656.67 : 101,638.63 = 41,386.17 : x
  2. Step 2: Convert to fraction form
    73,656.67/101,638.63 = 41,386.17/x
  3. Step 3: Cross multiply
    73,656.67x = 101,638.63 × 41,386.17
  4. Step 4: Simplify right side
    73,656.67x = 4,206,433,111.55
  5. Step 5: Solve for x
    x = 4,206,433,111.55/73,656.67
  6. Step 6: Final answer
    x = 57,108.65

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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.