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Finding the Fourth Proportional to 268,224.53, 370,152.36 and 147,368.33

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Solution

The fourth proportional to 268,224.53, 370,152.36 and 147,368.33 is: 203,369.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,224.53 : 370,152.36 = 147,368.33 : x
  2. Step 2: Convert to fraction form
    268,224.53/370,152.36 = 147,368.33/x
  3. Step 3: Cross multiply
    268,224.53x = 370,152.36 × 147,368.33
  4. Step 4: Simplify right side
    268,224.53x = 54,548,733,288.00
  5. Step 5: Solve for x
    x = 54,548,733,288.00/268,224.53
  6. Step 6: Final answer
    x = 203,369.66

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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.