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Finding the Fourth Proportional to 178,071.30, 267,172.25 and 93,828.06

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Solution

The fourth proportional to 178,071.30, 267,172.25 and 93,828.06 is: 140,776.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,071.30 : 267,172.25 = 93,828.06 : x
  2. Step 2: Convert to fraction form
    178,071.30/267,172.25 = 93,828.06/x
  3. Step 3: Cross multiply
    178,071.30x = 267,172.25 × 93,828.06
  4. Step 4: Simplify right side
    178,071.30x = 25,068,253,434.19
  5. Step 5: Solve for x
    x = 25,068,253,434.19/178,071.30
  6. Step 6: Final answer
    x = 140,776.49

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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.