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Finding the Fourth Proportional to 172,935.18, 238,648.41 and 97,483.68

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Solution

The fourth proportional to 172,935.18, 238,648.41 and 97,483.68 is: 134,526.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,935.18 : 238,648.41 = 97,483.68 : x
  2. Step 2: Convert to fraction form
    172,935.18/238,648.41 = 97,483.68/x
  3. Step 3: Cross multiply
    172,935.18x = 238,648.41 × 97,483.68
  4. Step 4: Simplify right side
    172,935.18x = 23,264,325,232.95
  5. Step 5: Solve for x
    x = 23,264,325,232.95/172,935.18
  6. Step 6: Final answer
    x = 134,526.27

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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.