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Finding the Fourth Proportional to 73,081.11, 100,852.22 and 39,547.11

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Solution

The fourth proportional to 73,081.11, 100,852.22 and 39,547.11 is: 54,575.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,081.11 : 100,852.22 = 39,547.11 : x
  2. Step 2: Convert to fraction form
    73,081.11/100,852.22 = 39,547.11/x
  3. Step 3: Cross multiply
    73,081.11x = 100,852.22 × 39,547.11
  4. Step 4: Simplify right side
    73,081.11x = 3,988,413,838.08
  5. Step 5: Solve for x
    x = 3,988,413,838.08/73,081.11
  6. Step 6: Final answer
    x = 54,575.17

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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.