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Finding the Fourth Proportional to 101,617.83, 140,255.93 and 67,627.74

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Solution

The fourth proportional to 101,617.83, 140,255.93 and 67,627.74 is: 93,341.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,617.83 : 140,255.93 = 67,627.74 : x
  2. Step 2: Convert to fraction form
    101,617.83/140,255.93 = 67,627.74/x
  3. Step 3: Cross multiply
    101,617.83x = 140,255.93 × 67,627.74
  4. Step 4: Simplify right side
    101,617.83x = 9,485,191,567.50
  5. Step 5: Solve for x
    x = 9,485,191,567.50/101,617.83
  6. Step 6: Final answer
    x = 93,341.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.