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Finding the Fourth Proportional to 73,342.02, 101,211.72 and 39,808.02

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Solution

The fourth proportional to 73,342.02, 101,211.72 and 39,808.02 is: 54,934.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,342.02 : 101,211.72 = 39,808.02 : x
  2. Step 2: Convert to fraction form
    73,342.02/101,211.72 = 39,808.02/x
  3. Step 3: Cross multiply
    73,342.02x = 101,211.72 × 39,808.02
  4. Step 4: Simplify right side
    73,342.02x = 4,029,038,173.99
  5. Step 5: Solve for x
    x = 4,029,038,173.99/73,342.02
  6. Step 6: Final answer
    x = 54,934.92

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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.