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Finding the Fourth Proportional to 368,813.52, 553,110.93 and 158,402.25

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Solution

The fourth proportional to 368,813.52, 553,110.93 and 158,402.25 is: 237,556.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,813.52 : 553,110.93 = 158,402.25 : x
  2. Step 2: Convert to fraction form
    368,813.52/553,110.93 = 158,402.25/x
  3. Step 3: Cross multiply
    368,813.52x = 553,110.93 × 158,402.25
  4. Step 4: Simplify right side
    368,813.52x = 87,614,015,811.59
  5. Step 5: Solve for x
    x = 87,614,015,811.59/368,813.52
  6. Step 6: Final answer
    x = 237,556.41

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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.