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Finding the Fourth Proportional to 201,738.60, 302,583.60 and 83,397.60

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Solution

The fourth proportional to 201,738.60, 302,583.60 and 83,397.60 is: 125,086.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,738.60 : 302,583.60 = 83,397.60 : x
  2. Step 2: Convert to fraction form
    201,738.60/302,583.60 = 83,397.60/x
  3. Step 3: Cross multiply
    201,738.60x = 302,583.60 × 83,397.60
  4. Step 4: Simplify right side
    201,738.60x = 25,234,746,039.36
  5. Step 5: Solve for x
    x = 25,234,746,039.36/201,738.60
  6. Step 6: Final answer
    x = 125,086.35

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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.