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Finding the Fourth Proportional to 192,193.52, 288,290.28 and 87,010.16

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Solution

The fourth proportional to 192,193.52, 288,290.28 and 87,010.16 is: 130,515.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,193.52 : 288,290.28 = 87,010.16 : x
  2. Step 2: Convert to fraction form
    192,193.52/288,290.28 = 87,010.16/x
  3. Step 3: Cross multiply
    192,193.52x = 288,290.28 × 87,010.16
  4. Step 4: Simplify right side
    192,193.52x = 25,084,183,389.24
  5. Step 5: Solve for x
    x = 25,084,183,389.24/192,193.52
  6. Step 6: Final answer
    x = 130,515.24

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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.