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Finding the Fourth Proportional to 67,069.83, 100,526.99 and 63,181.83

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Solution

The fourth proportional to 67,069.83, 100,526.99 and 63,181.83 is: 94,699.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,069.83 : 100,526.99 = 63,181.83 : x
  2. Step 2: Convert to fraction form
    67,069.83/100,526.99 = 63,181.83/x
  3. Step 3: Cross multiply
    67,069.83x = 100,526.99 × 63,181.83
  4. Step 4: Simplify right side
    67,069.83x = 6,351,478,876.68
  5. Step 5: Solve for x
    x = 6,351,478,876.68/67,069.83
  6. Step 6: Final answer
    x = 94,699.49

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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.