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Finding the Fourth Proportional to 545,168.96, 817,753.25 and 145,799.37

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Solution

The fourth proportional to 545,168.96, 817,753.25 and 145,799.37 is: 218,699.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,168.96 : 817,753.25 = 145,799.37 : x
  2. Step 2: Convert to fraction form
    545,168.96/817,753.25 = 145,799.37/x
  3. Step 3: Cross multiply
    545,168.96x = 817,753.25 × 145,799.37
  4. Step 4: Simplify right side
    545,168.96x = 119,227,906,730.02
  5. Step 5: Solve for x
    x = 119,227,906,730.02/545,168.96
  6. Step 6: Final answer
    x = 218,699.00

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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.