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Finding the Fourth Proportional to 201,652.70, 302,479.05 and 181,607.90

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Solution

The fourth proportional to 201,652.70, 302,479.05 and 181,607.90 is: 272,411.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,652.70 : 302,479.05 = 181,607.90 : x
  2. Step 2: Convert to fraction form
    201,652.70/302,479.05 = 181,607.90/x
  3. Step 3: Cross multiply
    201,652.70x = 302,479.05 × 181,607.90
  4. Step 4: Simplify right side
    201,652.70x = 54,932,585,064.50
  5. Step 5: Solve for x
    x = 54,932,585,064.50/201,652.70
  6. Step 6: Final answer
    x = 272,411.85

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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.