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Finding the Fourth Proportional to 134,697.60, 202,027.20 and 45,955.20

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Solution

The fourth proportional to 134,697.60, 202,027.20 and 45,955.20 is: 68,926.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,697.60 : 202,027.20 = 45,955.20 : x
  2. Step 2: Convert to fraction form
    134,697.60/202,027.20 = 45,955.20/x
  3. Step 3: Cross multiply
    134,697.60x = 202,027.20 × 45,955.20
  4. Step 4: Simplify right side
    134,697.60x = 9,284,200,381.44
  5. Step 5: Solve for x
    x = 9,284,200,381.44/134,697.60
  6. Step 6: Final answer
    x = 68,926.25

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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.