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Finding the Fourth Proportional to 115,272.22, 172,866.74 and 48,717.50

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Solution

The fourth proportional to 115,272.22, 172,866.74 and 48,717.50 is: 73,058.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,272.22 : 172,866.74 = 48,717.50 : x
  2. Step 2: Convert to fraction form
    115,272.22/172,866.74 = 48,717.50/x
  3. Step 3: Cross multiply
    115,272.22x = 172,866.74 × 48,717.50
  4. Step 4: Simplify right side
    115,272.22x = 8,421,635,405.95
  5. Step 5: Solve for x
    x = 8,421,635,405.95/115,272.22
  6. Step 6: Final answer
    x = 73,058.67

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