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Finding the Fourth Proportional to 201,559.60, 302,047.80 and 89,147.80

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Solution

The fourth proportional to 201,559.60, 302,047.80 and 89,147.80 is: 133,592.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,559.60 : 302,047.80 = 89,147.80 : x
  2. Step 2: Convert to fraction form
    201,559.60/302,047.80 = 89,147.80/x
  3. Step 3: Cross multiply
    201,559.60x = 302,047.80 × 89,147.80
  4. Step 4: Simplify right side
    201,559.60x = 26,926,896,864.84
  5. Step 5: Solve for x
    x = 26,926,896,864.84/201,559.60
  6. Step 6: Final answer
    x = 133,592.73

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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.