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Finding the Fourth Proportional to 64,994.93, 97,427.81 and 45,231.96

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Solution

The fourth proportional to 64,994.93, 97,427.81 and 45,231.96 is: 67,803.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,994.93 : 97,427.81 = 45,231.96 : x
  2. Step 2: Convert to fraction form
    64,994.93/97,427.81 = 45,231.96/x
  3. Step 3: Cross multiply
    64,994.93x = 97,427.81 × 45,231.96
  4. Step 4: Simplify right side
    64,994.93x = 4,406,850,944.00
  5. Step 5: Solve for x
    x = 4,406,850,944.00/64,994.93
  6. Step 6: Final answer
    x = 67,803.00

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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.