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Finding the Fourth Proportional to 76,200.30, 114,106.05 and 60,648.30

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Solution

The fourth proportional to 76,200.30, 114,106.05 and 60,648.30 is: 90,817.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,200.30 : 114,106.05 = 60,648.30 : x
  2. Step 2: Convert to fraction form
    76,200.30/114,106.05 = 60,648.30/x
  3. Step 3: Cross multiply
    76,200.30x = 114,106.05 × 60,648.30
  4. Step 4: Simplify right side
    76,200.30x = 6,920,337,952.22
  5. Step 5: Solve for x
    x = 6,920,337,952.22/76,200.30
  6. Step 6: Final answer
    x = 90,817.73

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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.