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Finding the Fourth Proportional to 76,150.80, 114,156.54 and 29,368.44

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Solution

The fourth proportional to 76,150.80, 114,156.54 and 29,368.44 is: 44,025.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,150.80 : 114,156.54 = 29,368.44 : x
  2. Step 2: Convert to fraction form
    76,150.80/114,156.54 = 29,368.44/x
  3. Step 3: Cross multiply
    76,150.80x = 114,156.54 × 29,368.44
  4. Step 4: Simplify right side
    76,150.80x = 3,352,599,495.60
  5. Step 5: Solve for x
    x = 3,352,599,495.60/76,150.80
  6. Step 6: Final answer
    x = 44,025.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.