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Finding the Fourth Proportional to 173,211.84, 239,030.46 and 97,758.72

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Solution

The fourth proportional to 173,211.84, 239,030.46 and 97,758.72 is: 134,905.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,211.84 : 239,030.46 = 97,758.72 : x
  2. Step 2: Convert to fraction form
    173,211.84/239,030.46 = 97,758.72/x
  3. Step 3: Cross multiply
    173,211.84x = 239,030.46 × 97,758.72
  4. Step 4: Simplify right side
    173,211.84x = 23,367,311,810.61
  5. Step 5: Solve for x
    x = 23,367,311,810.61/173,211.84
  6. Step 6: Final answer
    x = 134,905.97

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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.