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Finding the Fourth Proportional to 82,798.81, 114,147.57 and 55,898.71

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Solution

The fourth proportional to 82,798.81, 114,147.57 and 55,898.71 is: 77,062.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,798.81 : 114,147.57 = 55,898.71 : x
  2. Step 2: Convert to fraction form
    82,798.81/114,147.57 = 55,898.71/x
  3. Step 3: Cross multiply
    82,798.81x = 114,147.57 × 55,898.71
  4. Step 4: Simplify right side
    82,798.81x = 6,380,702,343.06
  5. Step 5: Solve for x
    x = 6,380,702,343.06/82,798.81
  6. Step 6: Final answer
    x = 77,062.73

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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.