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Finding the Fourth Proportional to 242,968.36, 364,461.08 and 65,479.61

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Solution

The fourth proportional to 242,968.36, 364,461.08 and 65,479.61 is: 98,221.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,968.36 : 364,461.08 = 65,479.61 : x
  2. Step 2: Convert to fraction form
    242,968.36/364,461.08 = 65,479.61/x
  3. Step 3: Cross multiply
    242,968.36x = 364,461.08 × 65,479.61
  4. Step 4: Simplify right side
    242,968.36x = 23,864,767,228.88
  5. Step 5: Solve for x
    x = 23,864,767,228.88/242,968.36
  6. Step 6: Final answer
    x = 98,221.71

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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.