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Finding the Fourth Proportional to 378,073.02, 567,220.25 and 111,840.63

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Solution

The fourth proportional to 378,073.02, 567,220.25 and 111,840.63 is: 167,793.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,073.02 : 567,220.25 = 111,840.63 : x
  2. Step 2: Convert to fraction form
    378,073.02/567,220.25 = 111,840.63/x
  3. Step 3: Cross multiply
    378,073.02x = 567,220.25 × 111,840.63
  4. Step 4: Simplify right side
    378,073.02x = 63,438,270,108.76
  5. Step 5: Solve for x
    x = 63,438,270,108.76/378,073.02
  6. Step 6: Final answer
    x = 167,793.70

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1.5x scale

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.