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Finding the Fourth Proportional to 173,521.65, 239,458.21 and 97,039.90

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Solution

The fourth proportional to 173,521.65, 239,458.21 and 97,039.90 is: 133,914.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,521.65 : 239,458.21 = 97,039.90 : x
  2. Step 2: Convert to fraction form
    173,521.65/239,458.21 = 97,039.90/x
  3. Step 3: Cross multiply
    173,521.65x = 239,458.21 × 97,039.90
  4. Step 4: Simplify right side
    173,521.65x = 23,237,000,752.58
  5. Step 5: Solve for x
    x = 23,237,000,752.58/173,521.65
  6. Step 6: Final answer
    x = 133,914.13

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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.