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Finding the Fourth Proportional to 201,563.60, 302,053.80 and 89,151.80

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Solution

The fourth proportional to 201,563.60, 302,053.80 and 89,151.80 is: 133,598.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,563.60 : 302,053.80 = 89,151.80 : x
  2. Step 2: Convert to fraction form
    201,563.60/302,053.80 = 89,151.80/x
  3. Step 3: Cross multiply
    201,563.60x = 302,053.80 × 89,151.80
  4. Step 4: Simplify right side
    201,563.60x = 26,928,639,966.84
  5. Step 5: Solve for x
    x = 26,928,639,966.84/201,563.60
  6. Step 6: Final answer
    x = 133,598.73

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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.