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Finding the Fourth Proportional to 367,978.91, 551,986.19 and 101,733.53

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Solution

The fourth proportional to 367,978.91, 551,986.19 and 101,733.53 is: 152,605.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,978.91 : 551,986.19 = 101,733.53 : x
  2. Step 2: Convert to fraction form
    367,978.91/551,986.19 = 101,733.53/x
  3. Step 3: Cross multiply
    367,978.91x = 551,986.19 × 101,733.53
  4. Step 4: Simplify right side
    367,978.91x = 56,155,505,254.25
  5. Step 5: Solve for x
    x = 56,155,505,254.25/367,978.91
  6. Step 6: Final answer
    x = 152,605.23

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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.