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Finding the Fourth Proportional to 109,244.01, 150,759.60 and 61,499.10

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Solution

The fourth proportional to 109,244.01, 150,759.60 and 61,499.10 is: 84,870.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,244.01 : 150,759.60 = 61,499.10 : x
  2. Step 2: Convert to fraction form
    109,244.01/150,759.60 = 61,499.10/x
  3. Step 3: Cross multiply
    109,244.01x = 150,759.60 × 61,499.10
  4. Step 4: Simplify right side
    109,244.01x = 9,271,579,716.36
  5. Step 5: Solve for x
    x = 9,271,579,716.36/109,244.01
  6. Step 6: Final answer
    x = 84,870.37

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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.