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Finding the Fourth Proportional to 76,858.04, 106,064.16 and 43,324.04

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Solution

The fourth proportional to 76,858.04, 106,064.16 and 43,324.04 is: 59,787.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,858.04 : 106,064.16 = 43,324.04 : x
  2. Step 2: Convert to fraction form
    76,858.04/106,064.16 = 43,324.04/x
  3. Step 3: Cross multiply
    76,858.04x = 106,064.16 × 43,324.04
  4. Step 4: Simplify right side
    76,858.04x = 4,595,127,910.41
  5. Step 5: Solve for x
    x = 4,595,127,910.41/76,858.04
  6. Step 6: Final answer
    x = 59,787.21

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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.