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Finding the Fourth Proportional to 248,357.99, 372,599.87 and 70,865.64

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Solution

The fourth proportional to 248,357.99, 372,599.87 and 70,865.64 is: 106,316.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,357.99 : 372,599.87 = 70,865.64 : x
  2. Step 2: Convert to fraction form
    248,357.99/372,599.87 = 70,865.64/x
  3. Step 3: Cross multiply
    248,357.99x = 372,599.87 × 70,865.64
  4. Step 4: Simplify right side
    248,357.99x = 26,404,527,897.14
  5. Step 5: Solve for x
    x = 26,404,527,897.14/248,357.99
  6. Step 6: Final answer
    x = 106,316.40

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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.