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Finding the Fourth Proportional to 201,754.20, 302,501.70 and 83,472.60

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Solution

The fourth proportional to 201,754.20, 302,501.70 and 83,472.60 is: 125,155.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,754.20 : 302,501.70 = 83,472.60 : x
  2. Step 2: Convert to fraction form
    201,754.20/302,501.70 = 83,472.60/x
  3. Step 3: Cross multiply
    201,754.20x = 302,501.70 × 83,472.60
  4. Step 4: Simplify right side
    201,754.20x = 25,250,603,403.42
  5. Step 5: Solve for x
    x = 25,250,603,403.42/201,754.20
  6. Step 6: Final answer
    x = 125,155.28

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1.5x scale

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.