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Finding the Fourth Proportional to 268,344.64, 370,285.86 and 160,919.20

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Solution

The fourth proportional to 268,344.64, 370,285.86 and 160,919.20 is: 222,050.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,344.64 : 370,285.86 = 160,919.20 : x
  2. Step 2: Convert to fraction form
    268,344.64/370,285.86 = 160,919.20/x
  3. Step 3: Cross multiply
    268,344.64x = 370,285.86 × 160,919.20
  4. Step 4: Simplify right side
    268,344.64x = 59,586,104,362.51
  5. Step 5: Solve for x
    x = 59,586,104,362.51/268,344.64
  6. Step 6: Final answer
    x = 222,050.66

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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.