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Finding the Fourth Proportional to 234,871, 352,343.18 and 77,063.56

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Solution

The fourth proportional to 234,871, 352,343.18 and 77,063.56 is: 115,607.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,871 : 352,343.18 = 77,063.56 : x
  2. Step 2: Convert to fraction form
    234,871/352,343.18 = 77,063.56/x
  3. Step 3: Cross multiply
    234,871x = 352,343.18 × 77,063.56
  4. Step 4: Simplify right side
    234,871x = 27,152,819,792.52
  5. Step 5: Solve for x
    x = 27,152,819,792.52/234,871
  6. Step 6: Final answer
    x = 115,607.38

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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.