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Finding the Fourth Proportional to 117,561.32, 176,348.65 and 37,606.31

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Solution

The fourth proportional to 117,561.32, 176,348.65 and 37,606.31 is: 56,411.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,561.32 : 176,348.65 = 37,606.31 : x
  2. Step 2: Convert to fraction form
    117,561.32/176,348.65 = 37,606.31/x
  3. Step 3: Cross multiply
    117,561.32x = 176,348.65 × 37,606.31
  4. Step 4: Simplify right side
    117,561.32x = 6,631,821,999.98
  5. Step 5: Solve for x
    x = 6,631,821,999.98/117,561.32
  6. Step 6: Final answer
    x = 56,411.60

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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.