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Finding the Fourth Proportional to 367,129.18, 550,587.93 and 100,898.38

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Solution

The fourth proportional to 367,129.18, 550,587.93 and 100,898.38 is: 151,318.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,129.18 : 550,587.93 = 100,898.38 : x
  2. Step 2: Convert to fraction form
    367,129.18/550,587.93 = 100,898.38/x
  3. Step 3: Cross multiply
    367,129.18x = 550,587.93 × 100,898.38
  4. Step 4: Simplify right side
    367,129.18x = 55,553,430,184.55
  5. Step 5: Solve for x
    x = 55,553,430,184.55/367,129.18
  6. Step 6: Final answer
    x = 151,318.48

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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.