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Finding the Fourth Proportional to 117,065.53, 175,580.47 and 38,179.63

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Solution

The fourth proportional to 117,065.53, 175,580.47 and 38,179.63 is: 57,263.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,065.53 : 175,580.47 = 38,179.63 : x
  2. Step 2: Convert to fraction form
    117,065.53/175,580.47 = 38,179.63/x
  3. Step 3: Cross multiply
    117,065.53x = 175,580.47 × 38,179.63
  4. Step 4: Simplify right side
    117,065.53x = 6,703,596,311.03
  5. Step 5: Solve for x
    x = 6,703,596,311.03/117,065.53
  6. Step 6: Final answer
    x = 57,263.62

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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.