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Finding the Fourth Proportional to 248,289.54, 372,436.47 and 61,302.66

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Solution

The fourth proportional to 248,289.54, 372,436.47 and 61,302.66 is: 91,954.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,289.54 : 372,436.47 = 61,302.66 : x
  2. Step 2: Convert to fraction form
    248,289.54/372,436.47 = 61,302.66/x
  3. Step 3: Cross multiply
    248,289.54x = 372,436.47 × 61,302.66
  4. Step 4: Simplify right side
    248,289.54x = 22,831,346,292.01
  5. Step 5: Solve for x
    x = 22,831,346,292.01/248,289.54
  6. Step 6: Final answer
    x = 91,954.52

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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.