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Finding the Fourth Proportional to 268,499.16, 370,552.46 and 147,661.74

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Solution

The fourth proportional to 268,499.16, 370,552.46 and 147,661.74 is: 203,786.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,499.16 : 370,552.46 = 147,661.74 : x
  2. Step 2: Convert to fraction form
    268,499.16/370,552.46 = 147,661.74/x
  3. Step 3: Cross multiply
    268,499.16x = 370,552.46 × 147,661.74
  4. Step 4: Simplify right side
    268,499.16x = 54,716,420,266.57
  5. Step 5: Solve for x
    x = 54,716,420,266.57/268,499.16
  6. Step 6: Final answer
    x = 203,786.19

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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.