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Finding the Fourth Proportional to 228,324.81, 342,622.52 and 127,207.50

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Solution

The fourth proportional to 228,324.81, 342,622.52 and 127,207.50 is: 190,886.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,324.81 : 342,622.52 = 127,207.50 : x
  2. Step 2: Convert to fraction form
    228,324.81/342,622.52 = 127,207.50/x
  3. Step 3: Cross multiply
    228,324.81x = 342,622.52 × 127,207.50
  4. Step 4: Simplify right side
    228,324.81x = 43,584,154,393.38
  5. Step 5: Solve for x
    x = 43,584,154,393.38/228,324.81
  6. Step 6: Final answer
    x = 190,886.63

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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.