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Finding the Fourth Proportional to 73,208.61, 101,110.88 and 49,293.77

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Solution

The fourth proportional to 73,208.61, 101,110.88 and 49,293.77 is: 68,081.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,208.61 : 101,110.88 = 49,293.77 : x
  2. Step 2: Convert to fraction form
    73,208.61/101,110.88 = 49,293.77/x
  3. Step 3: Cross multiply
    73,208.61x = 101,110.88 × 49,293.77
  4. Step 4: Simplify right side
    73,208.61x = 4,984,136,080.90
  5. Step 5: Solve for x
    x = 4,984,136,080.90/73,208.61
  6. Step 6: Final answer
    x = 68,081.28

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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.