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Finding the Fourth Proportional to 147,136.50, 220,706.80 and 41,955.47

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Solution

The fourth proportional to 147,136.50, 220,706.80 and 41,955.47 is: 62,933.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,136.50 : 220,706.80 = 41,955.47 : x
  2. Step 2: Convert to fraction form
    147,136.50/220,706.80 = 41,955.47/x
  3. Step 3: Cross multiply
    147,136.50x = 220,706.80 × 41,955.47
  4. Step 4: Simplify right side
    147,136.50x = 9,259,857,263.42
  5. Step 5: Solve for x
    x = 9,259,857,263.42/147,136.50
  6. Step 6: Final answer
    x = 62,933.79

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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.