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Finding the Fourth Proportional to 169,369.23, 254,053.95 and 43,018.95

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Solution

The fourth proportional to 169,369.23, 254,053.95 and 43,018.95 is: 64,528.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,369.23 : 254,053.95 = 43,018.95 : x
  2. Step 2: Convert to fraction form
    169,369.23/254,053.95 = 43,018.95/x
  3. Step 3: Cross multiply
    169,369.23x = 254,053.95 × 43,018.95
  4. Step 4: Simplify right side
    169,369.23x = 10,929,134,172.35
  5. Step 5: Solve for x
    x = 10,929,134,172.35/169,369.23
  6. Step 6: Final answer
    x = 64,528.45

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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.