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Finding the Fourth Proportional to 268,762.08, 370,891.22 and 147,911.16

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Solution

The fourth proportional to 268,762.08, 370,891.22 and 147,911.16 is: 204,117.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,762.08 : 370,891.22 = 147,911.16 : x
  2. Step 2: Convert to fraction form
    268,762.08/370,891.22 = 147,911.16/x
  3. Step 3: Cross multiply
    268,762.08x = 370,891.22 × 147,911.16
  4. Step 4: Simplify right side
    268,762.08x = 54,858,950,584.02
  5. Step 5: Solve for x
    x = 54,858,950,584.02/268,762.08
  6. Step 6: Final answer
    x = 204,117.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.