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Finding the Fourth Proportional to 113,419.20, 170,080.20 and 46,837.20

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Solution

The fourth proportional to 113,419.20, 170,080.20 and 46,837.20 is: 70,235.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,419.20 : 170,080.20 = 46,837.20 : x
  2. Step 2: Convert to fraction form
    113,419.20/170,080.20 = 46,837.20/x
  3. Step 3: Cross multiply
    113,419.20x = 170,080.20 × 46,837.20
  4. Step 4: Simplify right side
    113,419.20x = 7,966,080,343.44
  5. Step 5: Solve for x
    x = 7,966,080,343.44/113,419.20
  6. Step 6: Final answer
    x = 70,235.73

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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.