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Finding the Fourth Proportional to 248,441.75, 372,655.02 and 70,949.08

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Solution

The fourth proportional to 248,441.75, 372,655.02 and 70,949.08 is: 106,421.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,441.75 : 372,655.02 = 70,949.08 : x
  2. Step 2: Convert to fraction form
    248,441.75/372,655.02 = 70,949.08/x
  3. Step 3: Cross multiply
    248,441.75x = 372,655.02 × 70,949.08
  4. Step 4: Simplify right side
    248,441.75x = 26,439,528,963.11
  5. Step 5: Solve for x
    x = 26,439,528,963.11/248,441.75
  6. Step 6: Final answer
    x = 106,421.44

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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.