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Finding the Fourth Proportional to 169,985.84, 254,349.83 and 102,556.98

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Solution

The fourth proportional to 169,985.84, 254,349.83 and 102,556.98 is: 153,456.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,985.84 : 254,349.83 = 102,556.98 : x
  2. Step 2: Convert to fraction form
    169,985.84/254,349.83 = 102,556.98/x
  3. Step 3: Cross multiply
    169,985.84x = 254,349.83 × 102,556.98
  4. Step 4: Simplify right side
    169,985.84x = 26,085,350,684.71
  5. Step 5: Solve for x
    x = 26,085,350,684.71/169,985.84
  6. Step 6: Final answer
    x = 153,456.03

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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.