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Finding the Fourth Proportional to 245,326.44, 367,989.67 and 65,412.48

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Solution

The fourth proportional to 245,326.44, 367,989.67 and 65,412.48 is: 98,118.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,326.44 : 367,989.67 = 65,412.48 : x
  2. Step 2: Convert to fraction form
    245,326.44/367,989.67 = 65,412.48/x
  3. Step 3: Cross multiply
    245,326.44x = 367,989.67 × 65,412.48
  4. Step 4: Simplify right side
    245,326.44x = 24,071,116,929.08
  5. Step 5: Solve for x
    x = 24,071,116,929.08/245,326.44
  6. Step 6: Final answer
    x = 98,118.72

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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.