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Finding the Fourth Proportional to 227,842.62, 341,570.06 and 139,158.34

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Solution

The fourth proportional to 227,842.62, 341,570.06 and 139,158.34 is: 208,619.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,842.62 : 341,570.06 = 139,158.34 : x
  2. Step 2: Convert to fraction form
    227,842.62/341,570.06 = 139,158.34/x
  3. Step 3: Cross multiply
    227,842.62x = 341,570.06 × 139,158.34
  4. Step 4: Simplify right side
    227,842.62x = 47,532,322,543.30
  5. Step 5: Solve for x
    x = 47,532,322,543.30/227,842.62
  6. Step 6: Final answer
    x = 208,619.10

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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.