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Finding the Fourth Proportional to 268,865.01, 371,042.10 and 146,365.59

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Solution

The fourth proportional to 268,865.01, 371,042.10 and 146,365.59 is: 201,989.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,865.01 : 371,042.10 = 146,365.59 : x
  2. Step 2: Convert to fraction form
    268,865.01/371,042.10 = 146,365.59/x
  3. Step 3: Cross multiply
    268,865.01x = 371,042.10 × 146,365.59
  4. Step 4: Simplify right side
    268,865.01x = 54,307,795,881.34
  5. Step 5: Solve for x
    x = 54,307,795,881.34/268,865.01
  6. Step 6: Final answer
    x = 201,989.08

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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.