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Finding the Fourth Proportional to 149,690.56, 224,577.96 and 65,458.12

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Solution

The fourth proportional to 149,690.56, 224,577.96 and 65,458.12 is: 98,205.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,690.56 : 224,577.96 = 65,458.12 : x
  2. Step 2: Convert to fraction form
    149,690.56/224,577.96 = 65,458.12/x
  3. Step 3: Cross multiply
    149,690.56x = 224,577.96 × 65,458.12
  4. Step 4: Simplify right side
    149,690.56x = 14,700,451,055.04
  5. Step 5: Solve for x
    x = 14,700,451,055.04/149,690.56
  6. Step 6: Final answer
    x = 98,205.60

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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.