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Finding the Fourth Proportional to 292,877.78, 438,815.14 and 159,851.37

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Solution

The fourth proportional to 292,877.78, 438,815.14 and 159,851.37 is: 239,503.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,877.78 : 438,815.14 = 159,851.37 : x
  2. Step 2: Convert to fraction form
    292,877.78/438,815.14 = 159,851.37/x
  3. Step 3: Cross multiply
    292,877.78x = 438,815.14 × 159,851.37
  4. Step 4: Simplify right side
    292,877.78x = 70,145,202,551.67
  5. Step 5: Solve for x
    x = 70,145,202,551.67/292,877.78
  6. Step 6: Final answer
    x = 239,503.33

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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.