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Finding the Fourth Proportional to 173,003.76, 238,744.80 and 97,551.72

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Solution

The fourth proportional to 173,003.76, 238,744.80 and 97,551.72 is: 134,621.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,003.76 : 238,744.80 = 97,551.72 : x
  2. Step 2: Convert to fraction form
    173,003.76/238,744.80 = 97,551.72/x
  3. Step 3: Cross multiply
    173,003.76x = 238,744.80 × 97,551.72
  4. Step 4: Simplify right side
    173,003.76x = 23,289,965,881.06
  5. Step 5: Solve for x
    x = 23,289,965,881.06/173,003.76
  6. Step 6: Final answer
    x = 134,621.15

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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.