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Finding the Fourth Proportional to 234,838.41, 351,814.74 and 181,989.54

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Solution

The fourth proportional to 234,838.41, 351,814.74 and 181,989.54 is: 272,641.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,838.41 : 351,814.74 = 181,989.54 : x
  2. Step 2: Convert to fraction form
    234,838.41/351,814.74 = 181,989.54/x
  3. Step 3: Cross multiply
    234,838.41x = 351,814.74 × 181,989.54
  4. Step 4: Simplify right side
    234,838.41x = 64,026,602,697.82
  5. Step 5: Solve for x
    x = 64,026,602,697.82/234,838.41
  6. Step 6: Final answer
    x = 272,641.10

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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.