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Finding the Fourth Proportional to 145,495.94, 218,253.15 and 45,660.08

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Solution

The fourth proportional to 145,495.94, 218,253.15 and 45,660.08 is: 68,493.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,495.94 : 218,253.15 = 45,660.08 : x
  2. Step 2: Convert to fraction form
    145,495.94/218,253.15 = 45,660.08/x
  3. Step 3: Cross multiply
    145,495.94x = 218,253.15 × 45,660.08
  4. Step 4: Simplify right side
    145,495.94x = 9,965,456,289.25
  5. Step 5: Solve for x
    x = 9,965,456,289.25/145,495.94
  6. Step 6: Final answer
    x = 68,493.02

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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.