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Finding the Fourth Proportional to 82,055.81, 113,180.81 and 50,240.45

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Solution

The fourth proportional to 82,055.81, 113,180.81 and 50,240.45 is: 69,297.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,055.81 : 113,180.81 = 50,240.45 : x
  2. Step 2: Convert to fraction form
    82,055.81/113,180.81 = 50,240.45/x
  3. Step 3: Cross multiply
    82,055.81x = 113,180.81 × 50,240.45
  4. Step 4: Simplify right side
    82,055.81x = 5,686,254,008.66
  5. Step 5: Solve for x
    x = 5,686,254,008.66/82,055.81
  6. Step 6: Final answer
    x = 69,297.40

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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.