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Finding the Fourth Proportional to 79,295.63, 109,397.95 and 50,616.37

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Solution

The fourth proportional to 79,295.63, 109,397.95 and 50,616.37 is: 69,831.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,295.63 : 109,397.95 = 50,616.37 : x
  2. Step 2: Convert to fraction form
    79,295.63/109,397.95 = 50,616.37/x
  3. Step 3: Cross multiply
    79,295.63x = 109,397.95 × 50,616.37
  4. Step 4: Simplify right side
    79,295.63x = 5,537,326,714.41
  5. Step 5: Solve for x
    x = 5,537,326,714.41/79,295.63
  6. Step 6: Final answer
    x = 69,831.42

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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.