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Finding the Fourth Proportional to 76,807.92, 115,200.92 and 24,210.56

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Solution

The fourth proportional to 76,807.92, 115,200.92 and 24,210.56 is: 36,312.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,807.92 : 115,200.92 = 24,210.56 : x
  2. Step 2: Convert to fraction form
    76,807.92/115,200.92 = 24,210.56/x
  3. Step 3: Cross multiply
    76,807.92x = 115,200.92 × 24,210.56
  4. Step 4: Simplify right side
    76,807.92x = 2,789,078,785.72
  5. Step 5: Solve for x
    x = 2,789,078,785.72/76,807.92
  6. Step 6: Final answer
    x = 36,312.39

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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.