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Finding the Fourth Proportional to 91,953.64, 137,900.34 and 29,609.56

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Solution

The fourth proportional to 91,953.64, 137,900.34 and 29,609.56 is: 44,404.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,953.64 : 137,900.34 = 29,609.56 : x
  2. Step 2: Convert to fraction form
    91,953.64/137,900.34 = 29,609.56/x
  3. Step 3: Cross multiply
    91,953.64x = 137,900.34 × 29,609.56
  4. Step 4: Simplify right side
    91,953.64x = 4,083,168,391.25
  5. Step 5: Solve for x
    x = 4,083,168,391.25/91,953.64
  6. Step 6: Final answer
    x = 44,404.64

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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.