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Finding the Fourth Proportional to 117,897.98, 176,792.83 and 37,921.21

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Solution

The fourth proportional to 117,897.98, 176,792.83 and 37,921.21 is: 56,864.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,897.98 : 176,792.83 = 37,921.21 : x
  2. Step 2: Convert to fraction form
    117,897.98/176,792.83 = 37,921.21/x
  3. Step 3: Cross multiply
    117,897.98x = 176,792.83 × 37,921.21
  4. Step 4: Simplify right side
    117,897.98x = 6,704,198,490.60
  5. Step 5: Solve for x
    x = 6,704,198,490.60/117,897.98
  6. Step 6: Final answer
    x = 56,864.40

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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.