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Finding the Fourth Proportional to 158,640.52, 237,935.20 and 46,294.36

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Solution

The fourth proportional to 158,640.52, 237,935.20 and 46,294.36 is: 69,434.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,640.52 : 237,935.20 = 46,294.36 : x
  2. Step 2: Convert to fraction form
    158,640.52/237,935.20 = 46,294.36/x
  3. Step 3: Cross multiply
    158,640.52x = 237,935.20 × 46,294.36
  4. Step 4: Simplify right side
    158,640.52x = 11,015,057,805.47
  5. Step 5: Solve for x
    x = 11,015,057,805.47/158,640.52
  6. Step 6: Final answer
    x = 69,434.08

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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.