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Finding the Fourth Proportional to 73,567.32, 110,138.22 and 65,970.60

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Solution

The fourth proportional to 73,567.32, 110,138.22 and 65,970.60 is: 98,765.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,567.32 : 110,138.22 = 65,970.60 : x
  2. Step 2: Convert to fraction form
    73,567.32/110,138.22 = 65,970.60/x
  3. Step 3: Cross multiply
    73,567.32x = 110,138.22 × 65,970.60
  4. Step 4: Simplify right side
    73,567.32x = 7,265,884,456.33
  5. Step 5: Solve for x
    x = 7,265,884,456.33/73,567.32
  6. Step 6: Final answer
    x = 98,765.11

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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.