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Finding the Fourth Proportional to 248,213.40, 372,320.10 and 182,117.40

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Solution

The fourth proportional to 248,213.40, 372,320.10 and 182,117.40 is: 273,176.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,213.40 : 372,320.10 = 182,117.40 : x
  2. Step 2: Convert to fraction form
    248,213.40/372,320.10 = 182,117.40/x
  3. Step 3: Cross multiply
    248,213.40x = 372,320.10 × 182,117.40
  4. Step 4: Simplify right side
    248,213.40x = 67,805,968,579.74
  5. Step 5: Solve for x
    x = 67,805,968,579.74/248,213.40
  6. Step 6: Final answer
    x = 273,176.10

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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.