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Finding the Fourth Proportional to 99,695.44, 149,499.40 and 37,322.20

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Solution

The fourth proportional to 99,695.44, 149,499.40 and 37,322.20 is: 55,966.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,695.44 : 149,499.40 = 37,322.20 : x
  2. Step 2: Convert to fraction form
    99,695.44/149,499.40 = 37,322.20/x
  3. Step 3: Cross multiply
    99,695.44x = 149,499.40 × 37,322.20
  4. Step 4: Simplify right side
    99,695.44x = 5,579,646,506.68
  5. Step 5: Solve for x
    x = 5,579,646,506.68/99,695.44
  6. Step 6: Final answer
    x = 55,966.92

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1.5x scale

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.