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Finding the Fourth Proportional to 114,507.78, 158,021.60 and 62,824.52

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Solution

The fourth proportional to 114,507.78, 158,021.60 and 62,824.52 is: 86,698.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,507.78 : 158,021.60 = 62,824.52 : x
  2. Step 2: Convert to fraction form
    114,507.78/158,021.60 = 62,824.52/x
  3. Step 3: Cross multiply
    114,507.78x = 158,021.60 × 62,824.52
  4. Step 4: Simplify right side
    114,507.78x = 9,927,631,169.63
  5. Step 5: Solve for x
    x = 9,927,631,169.63/114,507.78
  6. Step 6: Final answer
    x = 86,698.31

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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.