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Finding the Fourth Proportional to 192,261.36, 288,424.86 and 59,138.67

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Solution

The fourth proportional to 192,261.36, 288,424.86 and 59,138.67 is: 88,718.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,261.36 : 288,424.86 = 59,138.67 : x
  2. Step 2: Convert to fraction form
    192,261.36/288,424.86 = 59,138.67/x
  3. Step 3: Cross multiply
    192,261.36x = 288,424.86 × 59,138.67
  4. Step 4: Simplify right side
    192,261.36x = 17,057,062,615.34
  5. Step 5: Solve for x
    x = 17,057,062,615.34/192,261.36
  6. Step 6: Final answer
    x = 88,718.10

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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.