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Finding the Fourth Proportional to 165,604.98, 248,411.55 and 60,423.93

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Solution

The fourth proportional to 165,604.98, 248,411.55 and 60,423.93 is: 90,637.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,604.98 : 248,411.55 = 60,423.93 : x
  2. Step 2: Convert to fraction form
    165,604.98/248,411.55 = 60,423.93/x
  3. Step 3: Cross multiply
    165,604.98x = 248,411.55 × 60,423.93
  4. Step 4: Simplify right side
    165,604.98x = 15,010,002,108.39
  5. Step 5: Solve for x
    x = 15,010,002,108.39/165,604.98
  6. Step 6: Final answer
    x = 90,637.38

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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.