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Finding the Fourth Proportional to 248,392.30, 372,476.40 and 70,857.04

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Solution

The fourth proportional to 248,392.30, 372,476.40 and 70,857.04 is: 106,253.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,392.30 : 372,476.40 = 70,857.04 : x
  2. Step 2: Convert to fraction form
    248,392.30/372,476.40 = 70,857.04/x
  3. Step 3: Cross multiply
    248,392.30x = 372,476.40 × 70,857.04
  4. Step 4: Simplify right side
    248,392.30x = 26,392,575,173.86
  5. Step 5: Solve for x
    x = 26,392,575,173.86/248,392.30
  6. Step 6: Final answer
    x = 106,253.60

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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.