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Finding the Fourth Proportional to 169,686.69, 254,637.32 and 94,855.95

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Solution

The fourth proportional to 169,686.69, 254,637.32 and 94,855.95 is: 142,343.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,686.69 : 254,637.32 = 94,855.95 : x
  2. Step 2: Convert to fraction form
    169,686.69/254,637.32 = 94,855.95/x
  3. Step 3: Cross multiply
    169,686.69x = 254,637.32 × 94,855.95
  4. Step 4: Simplify right side
    169,686.69x = 24,153,864,894.05
  5. Step 5: Solve for x
    x = 24,153,864,894.05/169,686.69
  6. Step 6: Final answer
    x = 142,343.90

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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.