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Finding the Fourth Proportional to 220,547.75, 330,821.67 and 95,888.75

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Solution

The fourth proportional to 220,547.75, 330,821.67 and 95,888.75 is: 143,833.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,547.75 : 330,821.67 = 95,888.75 : x
  2. Step 2: Convert to fraction form
    220,547.75/330,821.67 = 95,888.75/x
  3. Step 3: Cross multiply
    220,547.75x = 330,821.67 × 95,888.75
  4. Step 4: Simplify right side
    220,547.75x = 31,722,076,409.21
  5. Step 5: Solve for x
    x = 31,722,076,409.21/220,547.75
  6. Step 6: Final answer
    x = 143,833.14

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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.