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Finding the Fourth Proportional to 178,267.53, 245,978.01 and 101,751.69

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Solution

The fourth proportional to 178,267.53, 245,978.01 and 101,751.69 is: 140,399.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,267.53 : 245,978.01 = 101,751.69 : x
  2. Step 2: Convert to fraction form
    178,267.53/245,978.01 = 101,751.69/x
  3. Step 3: Cross multiply
    178,267.53x = 245,978.01 × 101,751.69
  4. Step 4: Simplify right side
    178,267.53x = 25,028,678,220.34
  5. Step 5: Solve for x
    x = 25,028,678,220.34/178,267.53
  6. Step 6: Final answer
    x = 140,399.53

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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.