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Finding the Fourth Proportional to 107,594.40, 161,391.60 and 54,986.40

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Solution

The fourth proportional to 107,594.40, 161,391.60 and 54,986.40 is: 82,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,594.40 : 161,391.60 = 54,986.40 : x
  2. Step 2: Convert to fraction form
    107,594.40/161,391.60 = 54,986.40/x
  3. Step 3: Cross multiply
    107,594.40x = 161,391.60 × 54,986.40
  4. Step 4: Simplify right side
    107,594.40x = 8,874,343,074.24
  5. Step 5: Solve for x
    x = 8,874,343,074.24/107,594.40
  6. Step 6: Final answer
    x = 82,479.60

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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.