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Finding the Fourth Proportional to 169,047.52, 233,232.96 and 112,468.48

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Solution

The fourth proportional to 169,047.52, 233,232.96 and 112,468.48 is: 155,171.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,047.52 : 233,232.96 = 112,468.48 : x
  2. Step 2: Convert to fraction form
    169,047.52/233,232.96 = 112,468.48/x
  3. Step 3: Cross multiply
    169,047.52x = 233,232.96 × 112,468.48
  4. Step 4: Simplify right side
    169,047.52x = 26,231,356,497.10
  5. Step 5: Solve for x
    x = 26,231,356,497.10/169,047.52
  6. Step 6: Final answer
    x = 155,171.50

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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.