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Finding the Fourth Proportional to 245,161.60, 367,698.56 and 65,248

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Solution

The fourth proportional to 245,161.60, 367,698.56 and 65,248 is: 97,860.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,161.60 : 367,698.56 = 65,248 : x
  2. Step 2: Convert to fraction form
    245,161.60/367,698.56 = 65,248/x
  3. Step 3: Cross multiply
    245,161.60x = 367,698.56 × 65,248
  4. Step 4: Simplify right side
    245,161.60x = 23,991,595,642.88
  5. Step 5: Solve for x
    x = 23,991,595,642.88/245,161.60
  6. Step 6: Final answer
    x = 97,860.33

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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.