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Finding the Fourth Proportional to 117,376, 176,065.44 and 43,504

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Solution

The fourth proportional to 117,376, 176,065.44 and 43,504 is: 65,256.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,376 : 176,065.44 = 43,504 : x
  2. Step 2: Convert to fraction form
    117,376/176,065.44 = 43,504/x
  3. Step 3: Cross multiply
    117,376x = 176,065.44 × 43,504
  4. Step 4: Simplify right side
    117,376x = 7,659,550,901.76
  5. Step 5: Solve for x
    x = 7,659,550,901.76/117,376
  6. Step 6: Final answer
    x = 65,256.53

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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.