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Finding the Fourth Proportional to 82,794.32, 114,252.84 and 45,068.56

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Solution

The fourth proportional to 82,794.32, 114,252.84 and 45,068.56 is: 62,192.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,794.32 : 114,252.84 = 45,068.56 : x
  2. Step 2: Convert to fraction form
    82,794.32/114,252.84 = 45,068.56/x
  3. Step 3: Cross multiply
    82,794.32x = 114,252.84 × 45,068.56
  4. Step 4: Simplify right side
    82,794.32x = 5,149,210,974.71
  5. Step 5: Solve for x
    x = 5,149,210,974.71/82,794.32
  6. Step 6: Final answer
    x = 62,192.80

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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.