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Finding the Fourth Proportional to 117,722.88, 176,606.04 and 38,842.56

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Solution

The fourth proportional to 117,722.88, 176,606.04 and 38,842.56 is: 58,271.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,722.88 : 176,606.04 = 38,842.56 : x
  2. Step 2: Convert to fraction form
    117,722.88/176,606.04 = 38,842.56/x
  3. Step 3: Cross multiply
    117,722.88x = 176,606.04 × 38,842.56
  4. Step 4: Simplify right side
    117,722.88x = 6,859,830,705.06
  5. Step 5: Solve for x
    x = 6,859,830,705.06/117,722.88
  6. Step 6: Final answer
    x = 58,271.01

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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.