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Finding the Fourth Proportional to 73,662.90, 110,421.45 and 36,192.30

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Solution

The fourth proportional to 73,662.90, 110,421.45 and 36,192.30 is: 54,252.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,662.90 : 110,421.45 = 36,192.30 : x
  2. Step 2: Convert to fraction form
    73,662.90/110,421.45 = 36,192.30/x
  3. Step 3: Cross multiply
    73,662.90x = 110,421.45 × 36,192.30
  4. Step 4: Simplify right side
    73,662.90x = 3,996,406,244.84
  5. Step 5: Solve for x
    x = 3,996,406,244.84/73,662.90
  6. Step 6: Final answer
    x = 54,252.63

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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.