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Finding the Fourth Proportional to 84,095.81, 116,053.13 and 45,855.05

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Solution

The fourth proportional to 84,095.81, 116,053.13 and 45,855.05 is: 63,280.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,095.81 : 116,053.13 = 45,855.05 : x
  2. Step 2: Convert to fraction form
    84,095.81/116,053.13 = 45,855.05/x
  3. Step 3: Cross multiply
    84,095.81x = 116,053.13 × 45,855.05
  4. Step 4: Simplify right side
    84,095.81x = 5,321,622,078.81
  5. Step 5: Solve for x
    x = 5,321,622,078.81/84,095.81
  6. Step 6: Final answer
    x = 63,280.47

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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.