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Finding the Fourth Proportional to 268,302.76, 370,250.34 and 147,444.01

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Solution

The fourth proportional to 268,302.76, 370,250.34 and 147,444.01 is: 203,468.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,302.76 : 370,250.34 = 147,444.01 : x
  2. Step 2: Convert to fraction form
    268,302.76/370,250.34 = 147,444.01/x
  3. Step 3: Cross multiply
    268,302.76x = 370,250.34 × 147,444.01
  4. Step 4: Simplify right side
    268,302.76x = 54,591,194,833.46
  5. Step 5: Solve for x
    x = 54,591,194,833.46/268,302.76
  6. Step 6: Final answer
    x = 203,468.63

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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.