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Finding the Fourth Proportional to 73,712.93, 101,643.46 and 49,798.08

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Solution

The fourth proportional to 73,712.93, 101,643.46 and 49,798.08 is: 68,667.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,712.93 : 101,643.46 = 49,798.08 : x
  2. Step 2: Convert to fraction form
    73,712.93/101,643.46 = 49,798.08/x
  3. Step 3: Cross multiply
    73,712.93x = 101,643.46 × 49,798.08
  4. Step 4: Simplify right side
    73,712.93x = 5,061,649,028.06
  5. Step 5: Solve for x
    x = 5,061,649,028.06/73,712.93
  6. Step 6: Final answer
    x = 68,667.05

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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.