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Finding the Fourth Proportional to 80,357.72, 110,883.40 and 44,547.40

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Solution

The fourth proportional to 80,357.72, 110,883.40 and 44,547.40 is: 61,469.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,357.72 : 110,883.40 = 44,547.40 : x
  2. Step 2: Convert to fraction form
    80,357.72/110,883.40 = 44,547.40/x
  3. Step 3: Cross multiply
    80,357.72x = 110,883.40 × 44,547.40
  4. Step 4: Simplify right side
    80,357.72x = 4,939,567,173.16
  5. Step 5: Solve for x
    x = 4,939,567,173.16/80,357.72
  6. Step 6: Final answer
    x = 61,469.73

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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.