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Finding the Fourth Proportional to 99,523.80, 149,285.70 and 37,194.30

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Solution

The fourth proportional to 99,523.80, 149,285.70 and 37,194.30 is: 55,791.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,523.80 : 149,285.70 = 37,194.30 : x
  2. Step 2: Convert to fraction form
    99,523.80/149,285.70 = 37,194.30/x
  3. Step 3: Cross multiply
    99,523.80x = 149,285.70 × 37,194.30
  4. Step 4: Simplify right side
    99,523.80x = 5,552,577,111.51
  5. Step 5: Solve for x
    x = 5,552,577,111.51/99,523.80
  6. Step 6: Final answer
    x = 55,791.45

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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.