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Finding the Fourth Proportional to 228,253.36, 315,032.88 and 152,932.72

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Solution

The fourth proportional to 228,253.36, 315,032.88 and 152,932.72 is: 211,076.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,253.36 : 315,032.88 = 152,932.72 : x
  2. Step 2: Convert to fraction form
    228,253.36/315,032.88 = 152,932.72/x
  3. Step 3: Cross multiply
    228,253.36x = 315,032.88 × 152,932.72
  4. Step 4: Simplify right side
    228,253.36x = 48,178,835,227.83
  5. Step 5: Solve for x
    x = 48,178,835,227.83/228,253.36
  6. Step 6: Final answer
    x = 211,076.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.