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Finding the Fourth Proportional to 92,846.80, 128,135.34 and 52,014.50

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Solution

The fourth proportional to 92,846.80, 128,135.34 and 52,014.50 is: 71,783.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,846.80 : 128,135.34 = 52,014.50 : x
  2. Step 2: Convert to fraction form
    92,846.80/128,135.34 = 52,014.50/x
  3. Step 3: Cross multiply
    92,846.80x = 128,135.34 × 52,014.50
  4. Step 4: Simplify right side
    92,846.80x = 6,664,895,001.75
  5. Step 5: Solve for x
    x = 6,664,895,001.75/92,846.80
  6. Step 6: Final answer
    x = 71,783.79

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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.