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Finding the Fourth Proportional to 107,971.63, 162,015.76 and 52,567.63

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Solution

The fourth proportional to 107,971.63, 162,015.76 and 52,567.63 is: 78,879.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,971.63 : 162,015.76 = 52,567.63 : x
  2. Step 2: Convert to fraction form
    107,971.63/162,015.76 = 52,567.63/x
  3. Step 3: Cross multiply
    107,971.63x = 162,015.76 × 52,567.63
  4. Step 4: Simplify right side
    107,971.63x = 8,516,784,525.85
  5. Step 5: Solve for x
    x = 8,516,784,525.85/107,971.63
  6. Step 6: Final answer
    x = 78,879.84

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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.