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Finding the Fourth Proportional to 268,457.55, 370,449.37 and 158,058.64

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Solution

The fourth proportional to 268,457.55, 370,449.37 and 158,058.64 is: 218,107.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,457.55 : 370,449.37 = 158,058.64 : x
  2. Step 2: Convert to fraction form
    268,457.55/370,449.37 = 158,058.64/x
  3. Step 3: Cross multiply
    268,457.55x = 370,449.37 × 158,058.64
  4. Step 4: Simplify right side
    268,457.55x = 58,552,723,382.61
  5. Step 5: Solve for x
    x = 58,552,723,382.61/268,457.55
  6. Step 6: Final answer
    x = 218,107.94

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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.