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Finding the Fourth Proportional to 79,981.73, 110,374.62 and 45,996.76

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Solution

The fourth proportional to 79,981.73, 110,374.62 and 45,996.76 is: 63,475.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,981.73 : 110,374.62 = 45,996.76 : x
  2. Step 2: Convert to fraction form
    79,981.73/110,374.62 = 45,996.76/x
  3. Step 3: Cross multiply
    79,981.73x = 110,374.62 × 45,996.76
  4. Step 4: Simplify right side
    79,981.73x = 5,076,874,871.71
  5. Step 5: Solve for x
    x = 5,076,874,871.71/79,981.73
  6. Step 6: Final answer
    x = 63,475.43

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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.