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Finding the Fourth Proportional to 169,519.52, 233,938.32 and 94,069.28

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Solution

The fourth proportional to 169,519.52, 233,938.32 and 94,069.28 is: 129,816.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,519.52 : 233,938.32 = 94,069.28 : x
  2. Step 2: Convert to fraction form
    169,519.52/233,938.32 = 94,069.28/x
  3. Step 3: Cross multiply
    169,519.52x = 233,938.32 × 94,069.28
  4. Step 4: Simplify right side
    169,519.52x = 22,006,409,326.81
  5. Step 5: Solve for x
    x = 22,006,409,326.81/169,519.52
  6. Step 6: Final answer
    x = 129,816.37

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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.