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Finding the Fourth Proportional to 201,683.80, 302,088.30 and 166,691.80

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Solution

The fourth proportional to 201,683.80, 302,088.30 and 166,691.80 is: 249,676.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,683.80 : 302,088.30 = 166,691.80 : x
  2. Step 2: Convert to fraction form
    201,683.80/302,088.30 = 166,691.80/x
  3. Step 3: Cross multiply
    201,683.80x = 302,088.30 × 166,691.80
  4. Step 4: Simplify right side
    201,683.80x = 50,355,642,485.94
  5. Step 5: Solve for x
    x = 50,355,642,485.94/201,683.80
  6. Step 6: Final answer
    x = 249,676.19

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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.