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Finding the Fourth Proportional to 88,709.80, 133,076.85 and 29,539.30

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Solution

The fourth proportional to 88,709.80, 133,076.85 and 29,539.30 is: 44,313.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,709.80 : 133,076.85 = 29,539.30 : x
  2. Step 2: Convert to fraction form
    88,709.80/133,076.85 = 29,539.30/x
  3. Step 3: Cross multiply
    88,709.80x = 133,076.85 × 29,539.30
  4. Step 4: Simplify right side
    88,709.80x = 3,930,996,995.21
  5. Step 5: Solve for x
    x = 3,930,996,995.21/88,709.80
  6. Step 6: Final answer
    x = 44,313.00

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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.