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Finding the Fourth Proportional to 117,762.31, 176,651.70 and 38,932.03

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Solution

The fourth proportional to 117,762.31, 176,651.70 and 38,932.03 is: 58,400.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,762.31 : 176,651.70 = 38,932.03 : x
  2. Step 2: Convert to fraction form
    117,762.31/176,651.70 = 38,932.03/x
  3. Step 3: Cross multiply
    117,762.31x = 176,651.70 × 38,932.03
  4. Step 4: Simplify right side
    117,762.31x = 6,877,409,283.95
  5. Step 5: Solve for x
    x = 6,877,409,283.95/117,762.31
  6. Step 6: Final answer
    x = 58,400.77

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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.