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Finding the Fourth Proportional to 192,389.46, 288,615.78 and 59,266.80

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Solution

The fourth proportional to 192,389.46, 288,615.78 and 59,266.80 is: 88,909.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,389.46 : 288,615.78 = 59,266.80 : x
  2. Step 2: Convert to fraction form
    192,389.46/288,615.78 = 59,266.80/x
  3. Step 3: Cross multiply
    192,389.46x = 288,615.78 × 59,266.80
  4. Step 4: Simplify right side
    192,389.46x = 17,105,333,710.10
  5. Step 5: Solve for x
    x = 17,105,333,710.10/192,389.46
  6. Step 6: Final answer
    x = 88,909.93

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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.