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Finding the Fourth Proportional to 96,777.60, 133,548.96 and 56,493.60

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Solution

The fourth proportional to 96,777.60, 133,548.96 and 56,493.60 is: 77,958.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,777.60 : 133,548.96 = 56,493.60 : x
  2. Step 2: Convert to fraction form
    96,777.60/133,548.96 = 56,493.60/x
  3. Step 3: Cross multiply
    96,777.60x = 133,548.96 × 56,493.60
  4. Step 4: Simplify right side
    96,777.60x = 7,544,661,526.66
  5. Step 5: Solve for x
    x = 7,544,661,526.66/96,777.60
  6. Step 6: Final answer
    x = 77,958.76

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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.