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Finding the Fourth Proportional to 192,497.58, 288,746.46 and 103,792.86

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Solution

The fourth proportional to 192,497.58, 288,746.46 and 103,792.86 is: 155,689.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,497.58 : 288,746.46 = 103,792.86 : x
  2. Step 2: Convert to fraction form
    192,497.58/288,746.46 = 103,792.86/x
  3. Step 3: Cross multiply
    192,497.58x = 288,746.46 × 103,792.86
  4. Step 4: Simplify right side
    192,497.58x = 29,969,820,898.28
  5. Step 5: Solve for x
    x = 29,969,820,898.28/192,497.58
  6. Step 6: Final answer
    x = 155,689.34

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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.