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Finding the Fourth Proportional to 378,025.80, 567,038.70 and 167,663.74

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Solution

The fourth proportional to 378,025.80, 567,038.70 and 167,663.74 is: 251,495.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,025.80 : 567,038.70 = 167,663.74 : x
  2. Step 2: Convert to fraction form
    378,025.80/567,038.70 = 167,663.74/x
  3. Step 3: Cross multiply
    378,025.80x = 567,038.70 × 167,663.74
  4. Step 4: Simplify right side
    378,025.80x = 95,071,827,749.14
  5. Step 5: Solve for x
    x = 95,071,827,749.14/378,025.80
  6. Step 6: Final answer
    x = 251,495.61

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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.