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Finding the Fourth Proportional to 132,854.37, 199,329.06 and 56,921.01

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Solution

The fourth proportional to 132,854.37, 199,329.06 and 56,921.01 is: 85,401.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,854.37 : 199,329.06 = 56,921.01 : x
  2. Step 2: Convert to fraction form
    132,854.37/199,329.06 = 56,921.01/x
  3. Step 3: Cross multiply
    132,854.37x = 199,329.06 × 56,921.01
  4. Step 4: Simplify right side
    132,854.37x = 11,346,011,417.55
  5. Step 5: Solve for x
    x = 11,346,011,417.55/132,854.37
  6. Step 6: Final answer
    x = 85,401.87

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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.