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Finding the Fourth Proportional to 173,129.63, 238,919.22 and 97,678.13

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Solution

The fourth proportional to 173,129.63, 238,919.22 and 97,678.13 is: 134,796.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,129.63 : 238,919.22 = 97,678.13 : x
  2. Step 2: Convert to fraction form
    173,129.63/238,919.22 = 97,678.13/x
  3. Step 3: Cross multiply
    173,129.63x = 238,919.22 × 97,678.13
  4. Step 4: Simplify right side
    173,129.63x = 23,337,181,436.06
  5. Step 5: Solve for x
    x = 23,337,181,436.06/173,129.63
  6. Step 6: Final answer
    x = 134,796.00

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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.