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Finding the Fourth Proportional to 248,641.82, 372,959.97 and 148,829.87

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Solution

The fourth proportional to 248,641.82, 372,959.97 and 148,829.87 is: 223,243.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,641.82 : 372,959.97 = 148,829.87 : x
  2. Step 2: Convert to fraction form
    248,641.82/372,959.97 = 148,829.87/x
  3. Step 3: Cross multiply
    248,641.82x = 372,959.97 × 148,829.87
  4. Step 4: Simplify right side
    248,641.82x = 55,507,581,985.50
  5. Step 5: Solve for x
    x = 55,507,581,985.50/248,641.82
  6. Step 6: Final answer
    x = 223,243.15

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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.