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Finding the Fourth Proportional to 78,192.44, 107,902.95 and 46,342.43

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Solution

The fourth proportional to 78,192.44, 107,902.95 and 46,342.43 is: 63,951.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,192.44 : 107,902.95 = 46,342.43 : x
  2. Step 2: Convert to fraction form
    78,192.44/107,902.95 = 46,342.43/x
  3. Step 3: Cross multiply
    78,192.44x = 107,902.95 × 46,342.43
  4. Step 4: Simplify right side
    78,192.44x = 5,000,485,003.14
  5. Step 5: Solve for x
    x = 5,000,485,003.14/78,192.44
  6. Step 6: Final answer
    x = 63,951.00

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1.5x scale

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.