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Finding the Fourth Proportional to 248,266.62, 372,399.93 and 148,455.59

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Solution

The fourth proportional to 248,266.62, 372,399.93 and 148,455.59 is: 222,683.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,266.62 : 372,399.93 = 148,455.59 : x
  2. Step 2: Convert to fraction form
    248,266.62/372,399.93 = 148,455.59/x
  3. Step 3: Cross multiply
    248,266.62x = 372,399.93 × 148,455.59
  4. Step 4: Simplify right side
    248,266.62x = 55,284,849,462.11
  5. Step 5: Solve for x
    x = 55,284,849,462.11/248,266.62
  6. Step 6: Final answer
    x = 222,683.38

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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.