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Finding the Fourth Proportional to 242,882.01, 364,322.68 and 65,389.21

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Solution

The fourth proportional to 242,882.01, 364,322.68 and 65,389.21 is: 98,083.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,882.01 : 364,322.68 = 65,389.21 : x
  2. Step 2: Convert to fraction form
    242,882.01/364,322.68 = 65,389.21/x
  3. Step 3: Cross multiply
    242,882.01x = 364,322.68 × 65,389.21
  4. Step 4: Simplify right side
    242,882.01x = 23,822,772,230.28
  5. Step 5: Solve for x
    x = 23,822,772,230.28/242,882.01
  6. Step 6: Final answer
    x = 98,083.72

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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.