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Finding the Fourth Proportional to 239,430.42, 330,418.98 and 132,004.98

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Solution

The fourth proportional to 239,430.42, 330,418.98 and 132,004.98 is: 182,169.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,430.42 : 330,418.98 = 132,004.98 : x
  2. Step 2: Convert to fraction form
    239,430.42/330,418.98 = 132,004.98/x
  3. Step 3: Cross multiply
    239,430.42x = 330,418.98 × 132,004.98
  4. Step 4: Simplify right side
    239,430.42x = 43,616,950,846.52
  5. Step 5: Solve for x
    x = 43,616,950,846.52/239,430.42
  6. Step 6: Final answer
    x = 182,169.63

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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.