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Finding the Fourth Proportional to 117,069.02, 175,656.84 and 49,619.54

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Solution

The fourth proportional to 117,069.02, 175,656.84 and 49,619.54 is: 74,451.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,069.02 : 175,656.84 = 49,619.54 : x
  2. Step 2: Convert to fraction form
    117,069.02/175,656.84 = 49,619.54/x
  3. Step 3: Cross multiply
    117,069.02x = 175,656.84 × 49,619.54
  4. Step 4: Simplify right side
    117,069.02x = 8,716,011,598.65
  5. Step 5: Solve for x
    x = 8,716,011,598.65/117,069.02
  6. Step 6: Final answer
    x = 74,451.91

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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.