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Finding the Fourth Proportional to 248,310.60, 372,465.90 and 61,322.10

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Solution

The fourth proportional to 248,310.60, 372,465.90 and 61,322.10 is: 91,983.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,310.60 : 372,465.90 = 61,322.10 : x
  2. Step 2: Convert to fraction form
    248,310.60/372,465.90 = 61,322.10/x
  3. Step 3: Cross multiply
    248,310.60x = 372,465.90 × 61,322.10
  4. Step 4: Simplify right side
    248,310.60x = 22,840,391,166.39
  5. Step 5: Solve for x
    x = 22,840,391,166.39/248,310.60
  6. Step 6: Final answer
    x = 91,983.15

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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.