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Finding the Fourth Proportional to 113,468.40, 170,299.80 and 50,385.60

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Solution

The fourth proportional to 113,468.40, 170,299.80 and 50,385.60 is: 75,621.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,468.40 : 170,299.80 = 50,385.60 : x
  2. Step 2: Convert to fraction form
    113,468.40/170,299.80 = 50,385.60/x
  3. Step 3: Cross multiply
    113,468.40x = 170,299.80 × 50,385.60
  4. Step 4: Simplify right side
    113,468.40x = 8,580,657,602.88
  5. Step 5: Solve for x
    x = 8,580,657,602.88/113,468.40
  6. Step 6: Final answer
    x = 75,621.56

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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.