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Finding the Fourth Proportional to 152,081.48, 228,161.12 and 63,305.48

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Solution

The fourth proportional to 152,081.48, 228,161.12 and 63,305.48 is: 94,974.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,081.48 : 228,161.12 = 63,305.48 : x
  2. Step 2: Convert to fraction form
    152,081.48/228,161.12 = 63,305.48/x
  3. Step 3: Cross multiply
    152,081.48x = 228,161.12 × 63,305.48
  4. Step 4: Simplify right side
    152,081.48x = 14,443,849,218.94
  5. Step 5: Solve for x
    x = 14,443,849,218.94/152,081.48
  6. Step 6: Final answer
    x = 94,974.41

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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.