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Finding the Fourth Proportional to 173,054.72, 238,770.24 and 101,396.32

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Solution

The fourth proportional to 173,054.72, 238,770.24 and 101,396.32 is: 139,900.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,054.72 : 238,770.24 = 101,396.32 : x
  2. Step 2: Convert to fraction form
    173,054.72/238,770.24 = 101,396.32/x
  3. Step 3: Cross multiply
    173,054.72x = 238,770.24 × 101,396.32
  4. Step 4: Simplify right side
    173,054.72x = 24,210,423,661.52
  5. Step 5: Solve for x
    x = 24,210,423,661.52/173,054.72
  6. Step 6: Final answer
    x = 139,900.39

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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.