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Finding the Fourth Proportional to 172,973.12, 259,305.86 and 93,054

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Solution

The fourth proportional to 172,973.12, 259,305.86 and 93,054 is: 139,498.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,973.12 : 259,305.86 = 93,054 : x
  2. Step 2: Convert to fraction form
    172,973.12/259,305.86 = 93,054/x
  3. Step 3: Cross multiply
    172,973.12x = 259,305.86 × 93,054
  4. Step 4: Simplify right side
    172,973.12x = 24,129,447,496.44
  5. Step 5: Solve for x
    x = 24,129,447,496.44/172,973.12
  6. Step 6: Final answer
    x = 139,498.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.