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Finding the Fourth Proportional to 109,963.17, 151,748.64 and 59,662.17

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Solution

The fourth proportional to 109,963.17, 151,748.64 and 59,662.17 is: 82,333.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,963.17 : 151,748.64 = 59,662.17 : x
  2. Step 2: Convert to fraction form
    109,963.17/151,748.64 = 59,662.17/x
  3. Step 3: Cross multiply
    109,963.17x = 151,748.64 × 59,662.17
  4. Step 4: Simplify right side
    109,963.17x = 9,053,653,156.95
  5. Step 5: Solve for x
    x = 9,053,653,156.95/109,963.17
  6. Step 6: Final answer
    x = 82,333.50

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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.