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Finding the Fourth Proportional to 545,753.82, 818,612.23 and 166,659.24

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Solution

The fourth proportional to 545,753.82, 818,612.23 and 166,659.24 is: 249,983.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,753.82 : 818,612.23 = 166,659.24 : x
  2. Step 2: Convert to fraction form
    545,753.82/818,612.23 = 166,659.24/x
  3. Step 3: Cross multiply
    545,753.82x = 818,612.23 × 166,659.24
  4. Step 4: Simplify right side
    545,753.82x = 136,429,292,106.51
  5. Step 5: Solve for x
    x = 136,429,292,106.51/545,753.82
  6. Step 6: Final answer
    x = 249,983.21

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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.