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Finding the Fourth Proportional to 545,167.05, 817,750.38 and 145,797.44

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Solution

The fourth proportional to 545,167.05, 817,750.38 and 145,797.44 is: 218,696.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,167.05 : 817,750.38 = 145,797.44 : x
  2. Step 2: Convert to fraction form
    545,167.05/817,750.38 = 145,797.44/x
  3. Step 3: Cross multiply
    545,167.05x = 817,750.38 × 145,797.44
  4. Step 4: Simplify right side
    545,167.05x = 119,225,910,667.47
  5. Step 5: Solve for x
    x = 119,225,910,667.47/545,167.05
  6. Step 6: Final answer
    x = 218,696.11

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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.