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Finding the Fourth Proportional to 268,297.88, 370,170.32 and 160,828.70

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Solution

The fourth proportional to 268,297.88, 370,170.32 and 160,828.70 is: 221,895.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,297.88 : 370,170.32 = 160,828.70 : x
  2. Step 2: Convert to fraction form
    268,297.88/370,170.32 = 160,828.70/x
  3. Step 3: Cross multiply
    268,297.88x = 370,170.32 × 160,828.70
  4. Step 4: Simplify right side
    268,297.88x = 59,534,011,344.18
  5. Step 5: Solve for x
    x = 59,534,011,344.18/268,297.88
  6. Step 6: Final answer
    x = 221,895.20

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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.