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Finding the Fourth Proportional to 178,389.21, 246,154.50 and 97,795.47

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Solution

The fourth proportional to 178,389.21, 246,154.50 and 97,795.47 is: 134,945.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,389.21 : 246,154.50 = 97,795.47 : x
  2. Step 2: Convert to fraction form
    178,389.21/246,154.50 = 97,795.47/x
  3. Step 3: Cross multiply
    178,389.21x = 246,154.50 × 97,795.47
  4. Step 4: Simplify right side
    178,389.21x = 24,072,795,020.12
  5. Step 5: Solve for x
    x = 24,072,795,020.12/178,389.21
  6. Step 6: Final answer
    x = 134,945.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.