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Finding the Fourth Proportional to 173,173.65, 238,978.62 and 96,688.32

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Solution

The fourth proportional to 173,173.65, 238,978.62 and 96,688.32 is: 133,429.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,173.65 : 238,978.62 = 96,688.32 : x
  2. Step 2: Convert to fraction form
    173,173.65/238,978.62 = 96,688.32/x
  3. Step 3: Cross multiply
    173,173.65x = 238,978.62 × 96,688.32
  4. Step 4: Simplify right side
    173,173.65x = 23,106,441,283.72
  5. Step 5: Solve for x
    x = 23,106,441,283.72/173,173.65
  6. Step 6: Final answer
    x = 133,429.31

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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.