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Finding the Fourth Proportional to 113,361.60, 169,930.80 and 63,465.60

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Solution

The fourth proportional to 113,361.60, 169,930.80 and 63,465.60 is: 95,135.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,361.60 : 169,930.80 = 63,465.60 : x
  2. Step 2: Convert to fraction form
    113,361.60/169,930.80 = 63,465.60/x
  3. Step 3: Cross multiply
    113,361.60x = 169,930.80 × 63,465.60
  4. Step 4: Simplify right side
    113,361.60x = 10,784,760,180.48
  5. Step 5: Solve for x
    x = 10,784,760,180.48/113,361.60
  6. Step 6: Final answer
    x = 95,135.92

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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.