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Finding the Fourth Proportional to 228,349.01, 342,566.55 and 70,540.53

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Solution

The fourth proportional to 228,349.01, 342,566.55 and 70,540.53 is: 105,824.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,349.01 : 342,566.55 = 70,540.53 : x
  2. Step 2: Convert to fraction form
    228,349.01/342,566.55 = 70,540.53/x
  3. Step 3: Cross multiply
    228,349.01x = 342,566.55 × 70,540.53
  4. Step 4: Simplify right side
    228,349.01x = 24,164,825,997.27
  5. Step 5: Solve for x
    x = 24,164,825,997.27/228,349.01
  6. Step 6: Final answer
    x = 105,824.09

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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.