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Finding the Fourth Proportional to 173,137.68, 238,741.65 and 112,596.12

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Solution

The fourth proportional to 173,137.68, 238,741.65 and 112,596.12 is: 155,260.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,137.68 : 238,741.65 = 112,596.12 : x
  2. Step 2: Convert to fraction form
    173,137.68/238,741.65 = 112,596.12/x
  3. Step 3: Cross multiply
    173,137.68x = 238,741.65 × 112,596.12
  4. Step 4: Simplify right side
    173,137.68x = 26,881,383,472.40
  5. Step 5: Solve for x
    x = 26,881,383,472.40/173,137.68
  6. Step 6: Final answer
    x = 155,260.16

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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.