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Finding the Fourth Proportional to 268,633.71, 370,726.98 and 147,772.80

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Solution

The fourth proportional to 268,633.71, 370,726.98 and 147,772.80 is: 203,933.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,633.71 : 370,726.98 = 147,772.80 : x
  2. Step 2: Convert to fraction form
    268,633.71/370,726.98 = 147,772.80/x
  3. Step 3: Cross multiply
    268,633.71x = 370,726.98 × 147,772.80
  4. Step 4: Simplify right side
    268,633.71x = 54,783,363,870.14
  5. Step 5: Solve for x
    x = 54,783,363,870.14/268,633.71
  6. Step 6: Final answer
    x = 203,933.32

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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.