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Finding the Fourth Proportional to 109,775.62, 151,491.99 and 59,474.62

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Solution

The fourth proportional to 109,775.62, 151,491.99 and 59,474.62 is: 82,075.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,775.62 : 151,491.99 = 59,474.62 : x
  2. Step 2: Convert to fraction form
    109,775.62/151,491.99 = 59,474.62/x
  3. Step 3: Cross multiply
    109,775.62x = 151,491.99 × 59,474.62
  4. Step 4: Simplify right side
    109,775.62x = 9,009,928,538.29
  5. Step 5: Solve for x
    x = 9,009,928,538.29/109,775.62
  6. Step 6: Final answer
    x = 82,075.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.