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Finding the Fourth Proportional to 77,548.94, 107,017.56 and 43,557.48

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Solution

The fourth proportional to 77,548.94, 107,017.56 and 43,557.48 is: 60,109.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,548.94 : 107,017.56 = 43,557.48 : x
  2. Step 2: Convert to fraction form
    77,548.94/107,017.56 = 43,557.48/x
  3. Step 3: Cross multiply
    77,548.94x = 107,017.56 × 43,557.48
  4. Step 4: Simplify right side
    77,548.94x = 4,661,415,229.35
  5. Step 5: Solve for x
    x = 4,661,415,229.35/77,548.94
  6. Step 6: Final answer
    x = 60,109.34

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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.