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Finding the Fourth Proportional to 242,842.79, 364,231.38 and 65,360.45

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Solution

The fourth proportional to 242,842.79, 364,231.38 and 65,360.45 is: 98,031.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,842.79 : 364,231.38 = 65,360.45 : x
  2. Step 2: Convert to fraction form
    242,842.79/364,231.38 = 65,360.45/x
  3. Step 3: Cross multiply
    242,842.79x = 364,231.38 × 65,360.45
  4. Step 4: Simplify right side
    242,842.79x = 23,806,326,900.92
  5. Step 5: Solve for x
    x = 23,806,326,900.92/242,842.79
  6. Step 6: Final answer
    x = 98,031.85

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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.