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Finding the Fourth Proportional to 169,952.36, 254,578.56 and 99,662.16

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Solution

The fourth proportional to 169,952.36, 254,578.56 and 99,662.16 is: 149,288.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,952.36 : 254,578.56 = 99,662.16 : x
  2. Step 2: Convert to fraction form
    169,952.36/254,578.56 = 99,662.16/x
  3. Step 3: Cross multiply
    169,952.36x = 254,578.56 × 99,662.16
  4. Step 4: Simplify right side
    169,952.36x = 25,371,849,179.29
  5. Step 5: Solve for x
    x = 25,371,849,179.29/169,952.36
  6. Step 6: Final answer
    x = 149,288.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.