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Finding the Fourth Proportional to 227,918.72, 341,878.32 and 59,438.90

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Solution

The fourth proportional to 227,918.72, 341,878.32 and 59,438.90 is: 89,158.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,918.72 : 341,878.32 = 59,438.90 : x
  2. Step 2: Convert to fraction form
    227,918.72/341,878.32 = 59,438.90/x
  3. Step 3: Cross multiply
    227,918.72x = 341,878.32 × 59,438.90
  4. Step 4: Simplify right side
    227,918.72x = 20,320,871,274.65
  5. Step 5: Solve for x
    x = 20,320,871,274.65/227,918.72
  6. Step 6: Final answer
    x = 89,158.41

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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.