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Finding the Fourth Proportional to 229,136.32, 343,593.36 and 134,397.46

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Solution

The fourth proportional to 229,136.32, 343,593.36 and 134,397.46 is: 201,531.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,136.32 : 343,593.36 = 134,397.46 : x
  2. Step 2: Convert to fraction form
    229,136.32/343,593.36 = 134,397.46/x
  3. Step 3: Cross multiply
    229,136.32x = 343,593.36 × 134,397.46
  4. Step 4: Simplify right side
    229,136.32x = 46,178,074,856.87
  5. Step 5: Solve for x
    x = 46,178,074,856.87/229,136.32
  6. Step 6: Final answer
    x = 201,531.01

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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.