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Finding the Fourth Proportional to 268,295.64, 370,223.91 and 147,435.54

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Solution

The fourth proportional to 268,295.64, 370,223.91 and 147,435.54 is: 203,447.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,295.64 : 370,223.91 = 147,435.54 : x
  2. Step 2: Convert to fraction form
    268,295.64/370,223.91 = 147,435.54/x
  3. Step 3: Cross multiply
    268,295.64x = 370,223.91 × 147,435.54
  4. Step 4: Simplify right side
    268,295.64x = 54,584,162,091.76
  5. Step 5: Solve for x
    x = 54,584,162,091.76/268,295.64
  6. Step 6: Final answer
    x = 203,447.82

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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.