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Finding the Fourth Proportional to 72,820.08, 109,230.08 and 41,633.46

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Solution

The fourth proportional to 72,820.08, 109,230.08 and 41,633.46 is: 62,450.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,820.08 : 109,230.08 = 41,633.46 : x
  2. Step 2: Convert to fraction form
    72,820.08/109,230.08 = 41,633.46/x
  3. Step 3: Cross multiply
    72,820.08x = 109,230.08 × 41,633.46
  4. Step 4: Simplify right side
    72,820.08x = 4,547,625,958.31
  5. Step 5: Solve for x
    x = 4,547,625,958.31/72,820.08
  6. Step 6: Final answer
    x = 62,450.16

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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.