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Finding the Fourth Proportional to 268,227.52, 370,140.70 and 160,776.68

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Solution

The fourth proportional to 268,227.52, 370,140.70 and 160,776.68 is: 221,863.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,227.52 : 370,140.70 = 160,776.68 : x
  2. Step 2: Convert to fraction form
    268,227.52/370,140.70 = 160,776.68/x
  3. Step 3: Cross multiply
    268,227.52x = 370,140.70 × 160,776.68
  4. Step 4: Simplify right side
    268,227.52x = 59,509,992,878.88
  5. Step 5: Solve for x
    x = 59,509,992,878.88/268,227.52
  6. Step 6: Final answer
    x = 221,863.86

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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.