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Finding the Fourth Proportional to 268,208.92, 370,128.54 and 147,350.44

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Solution

The fourth proportional to 268,208.92, 370,128.54 and 147,350.44 is: 203,343.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,208.92 : 370,128.54 = 147,350.44 : x
  2. Step 2: Convert to fraction form
    268,208.92/370,128.54 = 147,350.44/x
  3. Step 3: Cross multiply
    268,208.92x = 370,128.54 × 147,350.44
  4. Step 4: Simplify right side
    268,208.92x = 54,538,603,225.56
  5. Step 5: Solve for x
    x = 54,538,603,225.56/268,208.92
  6. Step 6: Final answer
    x = 203,343.73

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1.5x scale

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.