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Finding the Fourth Proportional to 192,223.40, 265,290.85 and 159,900.91

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Solution

The fourth proportional to 192,223.40, 265,290.85 and 159,900.91 is: 220,682.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,223.40 : 265,290.85 = 159,900.91 : x
  2. Step 2: Convert to fraction form
    192,223.40/265,290.85 = 159,900.91/x
  3. Step 3: Cross multiply
    192,223.40x = 265,290.85 × 159,900.91
  4. Step 4: Simplify right side
    192,223.40x = 42,420,247,713.01
  5. Step 5: Solve for x
    x = 42,420,247,713.01/192,223.40
  6. Step 6: Final answer
    x = 220,682.01

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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.