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Finding the Fourth Proportional to 281,644.59, 388,669.54 and 168,467.34

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Solution

The fourth proportional to 281,644.59, 388,669.54 and 168,467.34 is: 232,484.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,644.59 : 388,669.54 = 168,467.34 : x
  2. Step 2: Convert to fraction form
    281,644.59/388,669.54 = 168,467.34/x
  3. Step 3: Cross multiply
    281,644.59x = 388,669.54 × 168,467.34
  4. Step 4: Simplify right side
    281,644.59x = 65,478,124,895.04
  5. Step 5: Solve for x
    x = 65,478,124,895.04/281,644.59
  6. Step 6: Final answer
    x = 232,484.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.