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Finding the Fourth Proportional to 73,240.98, 109,860.67 and 55,580.07

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Solution

The fourth proportional to 73,240.98, 109,860.67 and 55,580.07 is: 83,369.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,240.98 : 109,860.67 = 55,580.07 : x
  2. Step 2: Convert to fraction form
    73,240.98/109,860.67 = 55,580.07/x
  3. Step 3: Cross multiply
    73,240.98x = 109,860.67 × 55,580.07
  4. Step 4: Simplify right side
    73,240.98x = 6,106,064,210.30
  5. Step 5: Solve for x
    x = 6,106,064,210.30/73,240.98
  6. Step 6: Final answer
    x = 83,369.51

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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.