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Finding the Fourth Proportional to 84,685.41, 116,871.12 and 46,959.66

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Solution

The fourth proportional to 84,685.41, 116,871.12 and 46,959.66 is: 64,807.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,685.41 : 116,871.12 = 46,959.66 : x
  2. Step 2: Convert to fraction form
    84,685.41/116,871.12 = 46,959.66/x
  3. Step 3: Cross multiply
    84,685.41x = 116,871.12 × 46,959.66
  4. Step 4: Simplify right side
    84,685.41x = 5,488,228,059.02
  5. Step 5: Solve for x
    x = 5,488,228,059.02/84,685.41
  6. Step 6: Final answer
    x = 64,807.24

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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.