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Finding the Fourth Proportional to 292,342.52, 438,542.44 and 121,528.91

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Solution

The fourth proportional to 292,342.52, 438,542.44 and 121,528.91 is: 182,305.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,342.52 : 438,542.44 = 121,528.91 : x
  2. Step 2: Convert to fraction form
    292,342.52/438,542.44 = 121,528.91/x
  3. Step 3: Cross multiply
    292,342.52x = 438,542.44 × 121,528.91
  4. Step 4: Simplify right side
    292,342.52x = 53,295,585,514.47
  5. Step 5: Solve for x
    x = 53,295,585,514.47/292,342.52
  6. Step 6: Final answer
    x = 182,305.28

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