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Finding the Fourth Proportional to 123,191.51, 184,891.12 and 48,364.20

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Solution

The fourth proportional to 123,191.51, 184,891.12 and 48,364.20 is: 72,587.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,191.51 : 184,891.12 = 48,364.20 : x
  2. Step 2: Convert to fraction form
    123,191.51/184,891.12 = 48,364.20/x
  3. Step 3: Cross multiply
    123,191.51x = 184,891.12 × 48,364.20
  4. Step 4: Simplify right side
    123,191.51x = 8,942,110,984.99
  5. Step 5: Solve for x
    x = 8,942,110,984.99/123,191.51
  6. Step 6: Final answer
    x = 72,587.07

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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.