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Finding the Fourth Proportional to 286,968.94, 430,059.62 and 181,599.28

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Solution

The fourth proportional to 286,968.94, 430,059.62 and 181,599.28 is: 272,149.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,968.94 : 430,059.62 = 181,599.28 : x
  2. Step 2: Convert to fraction form
    286,968.94/430,059.62 = 181,599.28/x
  3. Step 3: Cross multiply
    286,968.94x = 430,059.62 × 181,599.28
  4. Step 4: Simplify right side
    286,968.94x = 78,098,517,349.07
  5. Step 5: Solve for x
    x = 78,098,517,349.07/286,968.94
  6. Step 6: Final answer
    x = 272,149.72

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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.