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Finding the Fourth Proportional to 173,672.01, 239,678.46 and 97,199.91

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Solution

The fourth proportional to 173,672.01, 239,678.46 and 97,199.91 is: 134,142.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,672.01 : 239,678.46 = 97,199.91 : x
  2. Step 2: Convert to fraction form
    173,672.01/239,678.46 = 97,199.91/x
  3. Step 3: Cross multiply
    173,672.01x = 239,678.46 × 97,199.91
  4. Step 4: Simplify right side
    173,672.01x = 23,296,724,740.94
  5. Step 5: Solve for x
    x = 23,296,724,740.94/173,672.01
  6. Step 6: Final answer
    x = 134,142.08

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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.