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Finding the Fourth Proportional to 73,285.90, 110,006.61 and 69,553.42

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Solution

The fourth proportional to 73,285.90, 110,006.61 and 69,553.42 is: 104,403.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,285.90 : 110,006.61 = 69,553.42 : x
  2. Step 2: Convert to fraction form
    73,285.90/110,006.61 = 69,553.42/x
  3. Step 3: Cross multiply
    73,285.90x = 110,006.61 × 69,553.42
  4. Step 4: Simplify right side
    73,285.90x = 7,651,335,948.11
  5. Step 5: Solve for x
    x = 7,651,335,948.11/73,285.90
  6. Step 6: Final answer
    x = 104,403.93

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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.