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Finding the Fourth Proportional to 82,762.52, 114,212.22 and 45,036.68

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Solution

The fourth proportional to 82,762.52, 114,212.22 and 45,036.68 is: 62,150.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,762.52 : 114,212.22 = 45,036.68 : x
  2. Step 2: Convert to fraction form
    82,762.52/114,212.22 = 45,036.68/x
  3. Step 3: Cross multiply
    82,762.52x = 114,212.22 × 45,036.68
  4. Step 4: Simplify right side
    82,762.52x = 5,143,739,204.23
  5. Step 5: Solve for x
    x = 5,143,739,204.23/82,762.52
  6. Step 6: Final answer
    x = 62,150.59

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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.