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Finding the Fourth Proportional to 73,167.58, 100,970.46 and 42,947.56

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Solution

The fourth proportional to 73,167.58, 100,970.46 and 42,947.56 is: 59,267.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,167.58 : 100,970.46 = 42,947.56 : x
  2. Step 2: Convert to fraction form
    73,167.58/100,970.46 = 42,947.56/x
  3. Step 3: Cross multiply
    73,167.58x = 100,970.46 × 42,947.56
  4. Step 4: Simplify right side
    73,167.58x = 4,336,434,889.08
  5. Step 5: Solve for x
    x = 4,336,434,889.08/73,167.58
  6. Step 6: Final answer
    x = 59,267.16

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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.