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Finding the Fourth Proportional to 73,841.80, 110,820.57 and 51,509.92

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Solution

The fourth proportional to 73,841.80, 110,820.57 and 51,509.92 is: 77,305.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,841.80 : 110,820.57 = 51,509.92 : x
  2. Step 2: Convert to fraction form
    73,841.80/110,820.57 = 51,509.92/x
  3. Step 3: Cross multiply
    73,841.80x = 110,820.57 × 51,509.92
  4. Step 4: Simplify right side
    73,841.80x = 5,708,358,695.05
  5. Step 5: Solve for x
    x = 5,708,358,695.05/73,841.80
  6. Step 6: Final answer
    x = 77,305.25

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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.