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Finding the Fourth Proportional to 262,008.58, 392,683.92 and 112,072.54

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Solution

The fourth proportional to 262,008.58, 392,683.92 and 112,072.54 is: 167,968.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,008.58 : 392,683.92 = 112,072.54 : x
  2. Step 2: Convert to fraction form
    262,008.58/392,683.92 = 112,072.54/x
  3. Step 3: Cross multiply
    262,008.58x = 392,683.92 × 112,072.54
  4. Step 4: Simplify right side
    262,008.58x = 44,009,084,331.56
  5. Step 5: Solve for x
    x = 44,009,084,331.56/262,008.58
  6. Step 6: Final answer
    x = 167,968.10

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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.