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Finding the Fourth Proportional to 107,597.62, 148,478.82 and 59,198.63

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Solution

The fourth proportional to 107,597.62, 148,478.82 and 59,198.63 is: 81,690.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,597.62 : 148,478.82 = 59,198.63 : x
  2. Step 2: Convert to fraction form
    107,597.62/148,478.82 = 59,198.63/x
  3. Step 3: Cross multiply
    107,597.62x = 148,478.82 × 59,198.63
  4. Step 4: Simplify right side
    107,597.62x = 8,789,742,728.02
  5. Step 5: Solve for x
    x = 8,789,742,728.02/107,597.62
  6. Step 6: Final answer
    x = 81,690.87

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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.