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Finding the Fourth Proportional to 190,339.74, 285,542.55 and 63,992.34

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Solution

The fourth proportional to 190,339.74, 285,542.55 and 63,992.34 is: 95,999.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,339.74 : 285,542.55 = 63,992.34 : x
  2. Step 2: Convert to fraction form
    190,339.74/285,542.55 = 63,992.34/x
  3. Step 3: Cross multiply
    190,339.74x = 285,542.55 × 63,992.34
  4. Step 4: Simplify right side
    190,339.74x = 18,272,535,944.07
  5. Step 5: Solve for x
    x = 18,272,535,944.07/190,339.74
  6. Step 6: Final answer
    x = 95,999.58

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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.