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Finding the Fourth Proportional to 248,357.87, 372,599.68 and 70,865.51

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Solution

The fourth proportional to 248,357.87, 372,599.68 and 70,865.51 is: 106,316.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,357.87 : 372,599.68 = 70,865.51 : x
  2. Step 2: Convert to fraction form
    248,357.87/372,599.68 = 70,865.51/x
  3. Step 3: Cross multiply
    248,357.87x = 372,599.68 × 70,865.51
  4. Step 4: Simplify right side
    248,357.87x = 26,404,464,486.04
  5. Step 5: Solve for x
    x = 26,404,464,486.04/248,357.87
  6. Step 6: Final answer
    x = 106,316.20

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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.