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Finding the Fourth Proportional to 96,994.58, 133,832.48 and 56,700.54

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Solution

The fourth proportional to 96,994.58, 133,832.48 and 56,700.54 is: 78,235.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,994.58 : 133,832.48 = 56,700.54 : x
  2. Step 2: Convert to fraction form
    96,994.58/133,832.48 = 56,700.54/x
  3. Step 3: Cross multiply
    96,994.58x = 133,832.48 × 56,700.54
  4. Step 4: Simplify right side
    96,994.58x = 7,588,373,602.04
  5. Step 5: Solve for x
    x = 7,588,373,602.04/96,994.58
  6. Step 6: Final answer
    x = 78,235.03

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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.