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Finding the Fourth Proportional to 80,203, 110,678.76 and 44,392.23

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Solution

The fourth proportional to 80,203, 110,678.76 and 44,392.23 is: 61,260.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,203 : 110,678.76 = 44,392.23 : x
  2. Step 2: Convert to fraction form
    80,203/110,678.76 = 44,392.23/x
  3. Step 3: Cross multiply
    80,203x = 110,678.76 × 44,392.23
  4. Step 4: Simplify right side
    80,203x = 4,913,276,970.03
  5. Step 5: Solve for x
    x = 4,913,276,970.03/80,203
  6. Step 6: Final answer
    x = 61,260.51

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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.