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Finding the Fourth Proportional to 147,356.33, 221,044.20 and 53,927.69

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Solution

The fourth proportional to 147,356.33, 221,044.20 and 53,927.69 is: 80,895.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,356.33 : 221,044.20 = 53,927.69 : x
  2. Step 2: Convert to fraction form
    147,356.33/221,044.20 = 53,927.69/x
  3. Step 3: Cross multiply
    147,356.33x = 221,044.20 × 53,927.69
  4. Step 4: Simplify right side
    147,356.33x = 11,920,401,988.68
  5. Step 5: Solve for x
    x = 11,920,401,988.68/147,356.33
  6. Step 6: Final answer
    x = 80,895.08

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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.