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Finding the Fourth Proportional to 360,173.92, 540,291.56 and 107,438.12

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Solution

The fourth proportional to 360,173.92, 540,291.56 and 107,438.12 is: 161,166.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,173.92 : 540,291.56 = 107,438.12 : x
  2. Step 2: Convert to fraction form
    360,173.92/540,291.56 = 107,438.12/x
  3. Step 3: Cross multiply
    360,173.92x = 540,291.56 × 107,438.12
  4. Step 4: Simplify right side
    360,173.92x = 58,047,909,458.27
  5. Step 5: Solve for x
    x = 58,047,909,458.27/360,173.92
  6. Step 6: Final answer
    x = 161,166.33

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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.