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Finding the Fourth Proportional to 201,585.60, 302,313.93 and 66,624.48

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Solution

The fourth proportional to 201,585.60, 302,313.93 and 66,624.48 is: 99,915.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,585.60 : 302,313.93 = 66,624.48 : x
  2. Step 2: Convert to fraction form
    201,585.60/302,313.93 = 66,624.48/x
  3. Step 3: Cross multiply
    201,585.60x = 302,313.93 × 66,624.48
  4. Step 4: Simplify right side
    201,585.60x = 20,141,508,383.01
  5. Step 5: Solve for x
    x = 20,141,508,383.01/201,585.60
  6. Step 6: Final answer
    x = 99,915.41

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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.