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Finding the Fourth Proportional to 152,443.11, 228,664.80 and 63,648.21

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Solution

The fourth proportional to 152,443.11, 228,664.80 and 63,648.21 is: 95,472.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,443.11 : 228,664.80 = 63,648.21 : x
  2. Step 2: Convert to fraction form
    152,443.11/228,664.80 = 63,648.21/x
  3. Step 3: Cross multiply
    152,443.11x = 228,664.80 × 63,648.21
  4. Step 4: Simplify right side
    152,443.11x = 14,554,105,210.01
  5. Step 5: Solve for x
    x = 14,554,105,210.01/152,443.11
  6. Step 6: Final answer
    x = 95,472.37

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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.