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Finding the Fourth Proportional to 231,121.40, 346,098.90 and 184,465.40

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Solution

The fourth proportional to 231,121.40, 346,098.90 and 184,465.40 is: 276,232.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,121.40 : 346,098.90 = 184,465.40 : x
  2. Step 2: Convert to fraction form
    231,121.40/346,098.90 = 184,465.40/x
  3. Step 3: Cross multiply
    231,121.40x = 346,098.90 × 184,465.40
  4. Step 4: Simplify right side
    231,121.40x = 63,843,272,028.06
  5. Step 5: Solve for x
    x = 63,843,272,028.06/231,121.40
  6. Step 6: Final answer
    x = 276,232.63

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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.