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Finding the Fourth Proportional to 270,670.72, 406,030.04 and 70,990.44

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Solution

The fourth proportional to 270,670.72, 406,030.04 and 70,990.44 is: 106,491.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,670.72 : 406,030.04 = 70,990.44 : x
  2. Step 2: Convert to fraction form
    270,670.72/406,030.04 = 70,990.44/x
  3. Step 3: Cross multiply
    270,670.72x = 406,030.04 × 70,990.44
  4. Step 4: Simplify right side
    270,670.72x = 28,824,251,192.82
  5. Step 5: Solve for x
    x = 28,824,251,192.82/270,670.72
  6. Step 6: Final answer
    x = 106,491.94

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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.