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Finding the Fourth Proportional to 201,683.60, 302,568.60 and 61,456.40

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Solution

The fourth proportional to 201,683.60, 302,568.60 and 61,456.40 is: 92,197.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,683.60 : 302,568.60 = 61,456.40 : x
  2. Step 2: Convert to fraction form
    201,683.60/302,568.60 = 61,456.40/x
  3. Step 3: Cross multiply
    201,683.60x = 302,568.60 × 61,456.40
  4. Step 4: Simplify right side
    201,683.60x = 18,594,776,909.04
  5. Step 5: Solve for x
    x = 18,594,776,909.04/201,683.60
  6. Step 6: Final answer
    x = 92,197.76

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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.