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Finding the Fourth Proportional to 114,019.49, 157,358.36 and 63,036.09

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Solution

The fourth proportional to 114,019.49, 157,358.36 and 63,036.09 is: 86,996.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,019.49 : 157,358.36 = 63,036.09 : x
  2. Step 2: Convert to fraction form
    114,019.49/157,358.36 = 63,036.09/x
  3. Step 3: Cross multiply
    114,019.49x = 157,358.36 × 63,036.09
  4. Step 4: Simplify right side
    114,019.49x = 9,919,255,900.80
  5. Step 5: Solve for x
    x = 9,919,255,900.80/114,019.49
  6. Step 6: Final answer
    x = 86,996.14

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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.