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Finding the Fourth Proportional to 72,873.10, 109,062.75 and 44,810.92

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Solution

The fourth proportional to 72,873.10, 109,062.75 and 44,810.92 is: 67,064.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,873.10 : 109,062.75 = 44,810.92 : x
  2. Step 2: Convert to fraction form
    72,873.10/109,062.75 = 44,810.92/x
  3. Step 3: Cross multiply
    72,873.10x = 109,062.75 × 44,810.92
  4. Step 4: Simplify right side
    72,873.10x = 4,887,201,941.18
  5. Step 5: Solve for x
    x = 4,887,201,941.18/72,873.10
  6. Step 6: Final answer
    x = 67,064.56

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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.