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Finding the Fourth Proportional to 107,171.58, 147,791.60 and 98,695.74

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Solution

The fourth proportional to 107,171.58, 147,791.60 and 98,695.74 is: 136,103.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,171.58 : 147,791.60 = 98,695.74 : x
  2. Step 2: Convert to fraction form
    107,171.58/147,791.60 = 98,695.74/x
  3. Step 3: Cross multiply
    107,171.58x = 147,791.60 × 98,695.74
  4. Step 4: Simplify right side
    107,171.58x = 14,586,401,327.78
  5. Step 5: Solve for x
    x = 14,586,401,327.78/107,171.58
  6. Step 6: Final answer
    x = 136,103.26

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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.