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Finding the Fourth Proportional to 197,008.72, 295,500.93 and 78,594.82

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Solution

The fourth proportional to 197,008.72, 295,500.93 and 78,594.82 is: 117,887.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,008.72 : 295,500.93 = 78,594.82 : x
  2. Step 2: Convert to fraction form
    197,008.72/295,500.93 = 78,594.82/x
  3. Step 3: Cross multiply
    197,008.72x = 295,500.93 × 78,594.82
  4. Step 4: Simplify right side
    197,008.72x = 23,224,842,403.18
  5. Step 5: Solve for x
    x = 23,224,842,403.18/197,008.72
  6. Step 6: Final answer
    x = 117,887.38

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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.