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Finding the Fourth Proportional to 234,720.66, 352,130.01 and 76,936.71

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Solution

The fourth proportional to 234,720.66, 352,130.01 and 76,936.71 is: 115,421.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,720.66 : 352,130.01 = 76,936.71 : x
  2. Step 2: Convert to fraction form
    234,720.66/352,130.01 = 76,936.71/x
  3. Step 3: Cross multiply
    234,720.66x = 352,130.01 × 76,936.71
  4. Step 4: Simplify right side
    234,720.66x = 27,091,724,461.67
  5. Step 5: Solve for x
    x = 27,091,724,461.67/234,720.66
  6. Step 6: Final answer
    x = 115,421.13

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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.