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Finding the Fourth Proportional to 245,187.32, 367,780.44 and 65,272.79

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Solution

The fourth proportional to 245,187.32, 367,780.44 and 65,272.79 is: 97,909.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,187.32 : 367,780.44 = 65,272.79 : x
  2. Step 2: Convert to fraction form
    245,187.32/367,780.44 = 65,272.79/x
  3. Step 3: Cross multiply
    245,187.32x = 367,780.44 × 65,272.79
  4. Step 4: Simplify right side
    245,187.32x = 24,006,056,345.68
  5. Step 5: Solve for x
    x = 24,006,056,345.68/245,187.32
  6. Step 6: Final answer
    x = 97,909.04

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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.