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Finding the Fourth Proportional to 292,871.77, 438,806.15 and 159,845.36

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Solution

The fourth proportional to 292,871.77, 438,806.15 and 159,845.36 is: 239,494.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,871.77 : 438,806.15 = 159,845.36 : x
  2. Step 2: Convert to fraction form
    292,871.77/438,806.15 = 159,845.36/x
  3. Step 3: Cross multiply
    292,871.77x = 438,806.15 × 159,845.36
  4. Step 4: Simplify right side
    292,871.77x = 70,141,127,314.75
  5. Step 5: Solve for x
    x = 70,141,127,314.75/292,871.77
  6. Step 6: Final answer
    x = 239,494.33

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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.