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Finding the Fourth Proportional to 88,002.70, 132,004.05 and 73,228.30

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Solution

The fourth proportional to 88,002.70, 132,004.05 and 73,228.30 is: 109,842.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,002.70 : 132,004.05 = 73,228.30 : x
  2. Step 2: Convert to fraction form
    88,002.70/132,004.05 = 73,228.30/x
  3. Step 3: Cross multiply
    88,002.70x = 132,004.05 × 73,228.30
  4. Step 4: Simplify right side
    88,002.70x = 9,666,432,174.62
  5. Step 5: Solve for x
    x = 9,666,432,174.62/88,002.70
  6. Step 6: Final answer
    x = 109,842.45

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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.