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Finding the Fourth Proportional to 84,871.42, 117,122.60 and 46,633.41

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Solution

The fourth proportional to 84,871.42, 117,122.60 and 46,633.41 is: 64,354.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,871.42 : 117,122.60 = 46,633.41 : x
  2. Step 2: Convert to fraction form
    84,871.42/117,122.60 = 46,633.41/x
  3. Step 3: Cross multiply
    84,871.42x = 117,122.60 × 46,633.41
  4. Step 4: Simplify right side
    84,871.42x = 5,461,826,342.65
  5. Step 5: Solve for x
    x = 5,461,826,342.65/84,871.42
  6. Step 6: Final answer
    x = 64,354.13

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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.