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Finding the Fourth Proportional to 106,356.76, 146,770.44 and 57,959.12

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Solution

The fourth proportional to 106,356.76, 146,770.44 and 57,959.12 is: 79,982.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,356.76 : 146,770.44 = 57,959.12 : x
  2. Step 2: Convert to fraction form
    106,356.76/146,770.44 = 57,959.12/x
  3. Step 3: Cross multiply
    106,356.76x = 146,770.44 × 57,959.12
  4. Step 4: Simplify right side
    106,356.76x = 8,506,684,520.77
  5. Step 5: Solve for x
    x = 8,506,684,520.77/106,356.76
  6. Step 6: Final answer
    x = 79,982.55

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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.