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Finding the Fourth Proportional to 199,737.16, 275,258.34 and 143,050.12

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Solution

The fourth proportional to 199,737.16, 275,258.34 and 143,050.12 is: 197,137.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,737.16 : 275,258.34 = 143,050.12 : x
  2. Step 2: Convert to fraction form
    199,737.16/275,258.34 = 143,050.12/x
  3. Step 3: Cross multiply
    199,737.16x = 275,258.34 × 143,050.12
  4. Step 4: Simplify right side
    199,737.16x = 39,375,738,568.00
  5. Step 5: Solve for x
    x = 39,375,738,568.00/199,737.16
  6. Step 6: Final answer
    x = 197,137.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.