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Finding the Fourth Proportional to 76,223.48, 114,310.98 and 71,248.12

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Solution

The fourth proportional to 76,223.48, 114,310.98 and 71,248.12 is: 106,849.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,223.48 : 114,310.98 = 71,248.12 : x
  2. Step 2: Convert to fraction form
    76,223.48/114,310.98 = 71,248.12/x
  3. Step 3: Cross multiply
    76,223.48x = 114,310.98 × 71,248.12
  4. Step 4: Simplify right side
    76,223.48x = 8,144,442,420.36
  5. Step 5: Solve for x
    x = 8,144,442,420.36/76,223.48
  6. Step 6: Final answer
    x = 106,849.52

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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.