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Finding the Fourth Proportional to 248,723.40, 372,866.40 and 148,923.30

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Solution

The fourth proportional to 248,723.40, 372,866.40 and 148,923.30 is: 223,254.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,723.40 : 372,866.40 = 148,923.30 : x
  2. Step 2: Convert to fraction form
    248,723.40/372,866.40 = 148,923.30/x
  3. Step 3: Cross multiply
    248,723.40x = 372,866.40 × 148,923.30
  4. Step 4: Simplify right side
    248,723.40x = 55,528,494,747.12
  5. Step 5: Solve for x
    x = 55,528,494,747.12/248,723.40
  6. Step 6: Final answer
    x = 223,254.00

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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.