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Finding the Fourth Proportional to 152,504.91, 228,786.15 and 57,763.47

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Solution

The fourth proportional to 152,504.91, 228,786.15 and 57,763.47 is: 86,656.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,504.91 : 228,786.15 = 57,763.47 : x
  2. Step 2: Convert to fraction form
    152,504.91/228,786.15 = 57,763.47/x
  3. Step 3: Cross multiply
    152,504.91x = 228,786.15 × 57,763.47
  4. Step 4: Simplify right side
    152,504.91x = 13,215,481,911.94
  5. Step 5: Solve for x
    x = 13,215,481,911.94/152,504.91
  6. Step 6: Final answer
    x = 86,656.11

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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.