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Finding the Fourth Proportional to 268,549.53, 370,599.66 and 147,698.52

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Solution

The fourth proportional to 268,549.53, 370,599.66 and 147,698.52 is: 203,824.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,549.53 : 370,599.66 = 147,698.52 : x
  2. Step 2: Convert to fraction form
    268,549.53/370,599.66 = 147,698.52/x
  3. Step 3: Cross multiply
    268,549.53x = 370,599.66 × 147,698.52
  4. Step 4: Simplify right side
    268,549.53x = 54,737,021,294.50
  5. Step 5: Solve for x
    x = 54,737,021,294.50/268,549.53
  6. Step 6: Final answer
    x = 203,824.68

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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.