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Finding the Fourth Proportional to 190,699.77, 285,935.48 and 64,337.22

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Solution

The fourth proportional to 190,699.77, 285,935.48 and 64,337.22 is: 96,467.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,699.77 : 285,935.48 = 64,337.22 : x
  2. Step 2: Convert to fraction form
    190,699.77/285,935.48 = 64,337.22/x
  3. Step 3: Cross multiply
    190,699.77x = 285,935.48 × 64,337.22
  4. Step 4: Simplify right side
    190,699.77x = 18,396,293,289.47
  5. Step 5: Solve for x
    x = 18,396,293,289.47/190,699.77
  6. Step 6: Final answer
    x = 96,467.31

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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.