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Finding the Fourth Proportional to 172,946.04, 238,665.53 and 97,494.54

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Solution

The fourth proportional to 172,946.04, 238,665.53 and 97,494.54 is: 134,542.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,946.04 : 238,665.53 = 97,494.54 : x
  2. Step 2: Convert to fraction form
    172,946.04/238,665.53 = 97,494.54/x
  3. Step 3: Cross multiply
    172,946.04x = 238,665.53 × 97,494.54
  4. Step 4: Simplify right side
    172,946.04x = 23,268,586,061.21
  5. Step 5: Solve for x
    x = 23,268,586,061.21/172,946.04
  6. Step 6: Final answer
    x = 134,542.46

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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.