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Finding the Fourth Proportional to 90,295.80, 124,613.82 and 50,007.48

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Solution

The fourth proportional to 90,295.80, 124,613.82 and 50,007.48 is: 69,013.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,295.80 : 124,613.82 = 50,007.48 : x
  2. Step 2: Convert to fraction form
    90,295.80/124,613.82 = 50,007.48/x
  3. Step 3: Cross multiply
    90,295.80x = 124,613.82 × 50,007.48
  4. Step 4: Simplify right side
    90,295.80x = 6,231,623,111.37
  5. Step 5: Solve for x
    x = 6,231,623,111.37/90,295.80
  6. Step 6: Final answer
    x = 69,013.43

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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.