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Finding the Fourth Proportional to 201,583.60, 302,443.72 and 89,248.32

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Solution

The fourth proportional to 201,583.60, 302,443.72 and 89,248.32 is: 133,902.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,583.60 : 302,443.72 = 89,248.32 : x
  2. Step 2: Convert to fraction form
    201,583.60/302,443.72 = 89,248.32/x
  3. Step 3: Cross multiply
    201,583.60x = 302,443.72 × 89,248.32
  4. Step 4: Simplify right side
    201,583.60x = 26,992,593,904.55
  5. Step 5: Solve for x
    x = 26,992,593,904.55/201,583.60
  6. Step 6: Final answer
    x = 133,902.73

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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.