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Finding the Fourth Proportional to 109,792.65, 164,563.53 and 49,866.83

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Solution

The fourth proportional to 109,792.65, 164,563.53 and 49,866.83 is: 74,743.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,792.65 : 164,563.53 = 49,866.83 : x
  2. Step 2: Convert to fraction form
    109,792.65/164,563.53 = 49,866.83/x
  3. Step 3: Cross multiply
    109,792.65x = 164,563.53 × 49,866.83
  4. Step 4: Simplify right side
    109,792.65x = 8,206,261,574.71
  5. Step 5: Solve for x
    x = 8,206,261,574.71/109,792.65
  6. Step 6: Final answer
    x = 74,743.27

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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.