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Finding the Fourth Proportional to 73,254.92, 109,887.84 and 31,130.27

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Solution

The fourth proportional to 73,254.92, 109,887.84 and 31,130.27 is: 46,697.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,254.92 : 109,887.84 = 31,130.27 : x
  2. Step 2: Convert to fraction form
    73,254.92/109,887.84 = 31,130.27/x
  3. Step 3: Cross multiply
    73,254.92x = 109,887.84 × 31,130.27
  4. Step 4: Simplify right side
    73,254.92x = 3,420,838,128.92
  5. Step 5: Solve for x
    x = 3,420,838,128.92/73,254.92
  6. Step 6: Final answer
    x = 46,697.73

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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.