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Finding the Fourth Proportional to 176,487.12, 243,573.48 and 101,034

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Solution

The fourth proportional to 176,487.12, 243,573.48 and 101,034 is: 139,439.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,487.12 : 243,573.48 = 101,034 : x
  2. Step 2: Convert to fraction form
    176,487.12/243,573.48 = 101,034/x
  3. Step 3: Cross multiply
    176,487.12x = 243,573.48 × 101,034
  4. Step 4: Simplify right side
    176,487.12x = 24,609,202,978.32
  5. Step 5: Solve for x
    x = 24,609,202,978.32/176,487.12
  6. Step 6: Final answer
    x = 139,439.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.