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Finding the Fourth Proportional to 201,557.57, 302,310.23 and 83,212.92

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Solution

The fourth proportional to 201,557.57, 302,310.23 and 83,212.92 is: 124,808.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,557.57 : 302,310.23 = 83,212.92 : x
  2. Step 2: Convert to fraction form
    201,557.57/302,310.23 = 83,212.92/x
  3. Step 3: Cross multiply
    201,557.57x = 302,310.23 × 83,212.92
  4. Step 4: Simplify right side
    201,557.57x = 25,156,116,568.11
  5. Step 5: Solve for x
    x = 25,156,116,568.11/201,557.57
  6. Step 6: Final answer
    x = 124,808.60

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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.