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Finding the Fourth Proportional to 92,551.08, 127,720.50 and 50,109.60

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Solution

The fourth proportional to 92,551.08, 127,720.50 and 50,109.60 is: 69,151.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,551.08 : 127,720.50 = 50,109.60 : x
  2. Step 2: Convert to fraction form
    92,551.08/127,720.50 = 50,109.60/x
  3. Step 3: Cross multiply
    92,551.08x = 127,720.50 × 50,109.60
  4. Step 4: Simplify right side
    92,551.08x = 6,400,023,166.80
  5. Step 5: Solve for x
    x = 6,400,023,166.80/92,551.08
  6. Step 6: Final answer
    x = 69,151.25

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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.