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Finding the Fourth Proportional to 117,560.64, 176,340.80 and 34,454.56

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Solution

The fourth proportional to 117,560.64, 176,340.80 and 34,454.56 is: 51,681.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,560.64 : 176,340.80 = 34,454.56 : x
  2. Step 2: Convert to fraction form
    117,560.64/176,340.80 = 34,454.56/x
  3. Step 3: Cross multiply
    117,560.64x = 176,340.80 × 34,454.56
  4. Step 4: Simplify right side
    117,560.64x = 6,075,744,674.05
  5. Step 5: Solve for x
    x = 6,075,744,674.05/117,560.64
  6. Step 6: Final answer
    x = 51,681.79

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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.