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Finding the Fourth Proportional to 313,160.96, 469,741.44 and 113,444.12

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Solution

The fourth proportional to 313,160.96, 469,741.44 and 113,444.12 is: 170,166.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,160.96 : 469,741.44 = 113,444.12 : x
  2. Step 2: Convert to fraction form
    313,160.96/469,741.44 = 113,444.12/x
  3. Step 3: Cross multiply
    313,160.96x = 469,741.44 × 113,444.12
  4. Step 4: Simplify right side
    313,160.96x = 53,289,404,288.33
  5. Step 5: Solve for x
    x = 53,289,404,288.33/313,160.96
  6. Step 6: Final answer
    x = 170,166.18

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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.