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Finding the Fourth Proportional to 133,343.60, 199,529.40 and 83,447.60

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Solution

The fourth proportional to 133,343.60, 199,529.40 and 83,447.60 is: 124,867.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,343.60 : 199,529.40 = 83,447.60 : x
  2. Step 2: Convert to fraction form
    133,343.60/199,529.40 = 83,447.60/x
  3. Step 3: Cross multiply
    133,343.60x = 199,529.40 × 83,447.60
  4. Step 4: Simplify right side
    133,343.60x = 16,650,249,559.44
  5. Step 5: Solve for x
    x = 16,650,249,559.44/133,343.60
  6. Step 6: Final answer
    x = 124,867.26

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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.