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Finding the Fourth Proportional to 178,495.03, 246,326.43 and 97,917.65

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Solution

The fourth proportional to 178,495.03, 246,326.43 and 97,917.65 is: 135,128.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,495.03 : 246,326.43 = 97,917.65 : x
  2. Step 2: Convert to fraction form
    178,495.03/246,326.43 = 97,917.65/x
  3. Step 3: Cross multiply
    178,495.03x = 246,326.43 × 97,917.65
  4. Step 4: Simplify right side
    178,495.03x = 24,119,705,158.49
  5. Step 5: Solve for x
    x = 24,119,705,158.49/178,495.03
  6. Step 6: Final answer
    x = 135,128.16

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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.