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Finding the Fourth Proportional to 201,580.20, 302,240.70 and 83,298.60

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Solution

The fourth proportional to 201,580.20, 302,240.70 and 83,298.60 is: 124,894.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,580.20 : 302,240.70 = 83,298.60 : x
  2. Step 2: Convert to fraction form
    201,580.20/302,240.70 = 83,298.60/x
  3. Step 3: Cross multiply
    201,580.20x = 302,240.70 × 83,298.60
  4. Step 4: Simplify right side
    201,580.20x = 25,176,227,173.02
  5. Step 5: Solve for x
    x = 25,176,227,173.02/201,580.20
  6. Step 6: Final answer
    x = 124,894.35

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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.