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Finding the Fourth Proportional to 242,867.30, 364,326.86 and 65,376.86

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Solution

The fourth proportional to 242,867.30, 364,326.86 and 65,376.86 is: 98,072.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,867.30 : 364,326.86 = 65,376.86 : x
  2. Step 2: Convert to fraction form
    242,867.30/364,326.86 = 65,376.86/x
  3. Step 3: Cross multiply
    242,867.30x = 364,326.86 × 65,376.86
  4. Step 4: Simplify right side
    242,867.30x = 23,818,544,462.27
  5. Step 5: Solve for x
    x = 23,818,544,462.27/242,867.30
  6. Step 6: Final answer
    x = 98,072.26

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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.