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Finding the Fourth Proportional to 132,008.63, 197,947.44 and 42,039.62

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Solution

The fourth proportional to 132,008.63, 197,947.44 and 42,039.62 is: 63,038.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,008.63 : 197,947.44 = 42,039.62 : x
  2. Step 2: Convert to fraction form
    132,008.63/197,947.44 = 42,039.62/x
  3. Step 3: Cross multiply
    132,008.63x = 197,947.44 × 42,039.62
  4. Step 4: Simplify right side
    132,008.63x = 8,321,635,157.57
  5. Step 5: Solve for x
    x = 8,321,635,157.57/132,008.63
  6. Step 6: Final answer
    x = 63,038.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.