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Finding the Fourth Proportional to 201,624.80, 302,424.96 and 89,272.28

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Solution

The fourth proportional to 201,624.80, 302,424.96 and 89,272.28 is: 133,903.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,624.80 : 302,424.96 = 89,272.28 : x
  2. Step 2: Convert to fraction form
    201,624.80/302,424.96 = 89,272.28/x
  3. Step 3: Cross multiply
    201,624.80x = 302,424.96 × 89,272.28
  4. Step 4: Simplify right side
    201,624.80x = 26,998,165,708.11
  5. Step 5: Solve for x
    x = 26,998,165,708.11/201,624.80
  6. Step 6: Final answer
    x = 133,903.00

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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.