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Finding the Fourth Proportional to 268,012.53, 369,840.53 and 147,153.04

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Solution

The fourth proportional to 268,012.53, 369,840.53 and 147,153.04 is: 203,061.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,012.53 : 369,840.53 = 147,153.04 : x
  2. Step 2: Convert to fraction form
    268,012.53/369,840.53 = 147,153.04/x
  3. Step 3: Cross multiply
    268,012.53x = 369,840.53 × 147,153.04
  4. Step 4: Simplify right side
    268,012.53x = 54,423,157,747.99
  5. Step 5: Solve for x
    x = 54,423,157,747.99/268,012.53
  6. Step 6: Final answer
    x = 203,061.99

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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.