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Finding the Fourth Proportional to 88,768.72, 122,501.76 and 48,483.64

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Solution

The fourth proportional to 88,768.72, 122,501.76 and 48,483.64 is: 66,907.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,768.72 : 122,501.76 = 48,483.64 : x
  2. Step 2: Convert to fraction form
    88,768.72/122,501.76 = 48,483.64/x
  3. Step 3: Cross multiply
    88,768.72x = 122,501.76 × 48,483.64
  4. Step 4: Simplify right side
    88,768.72x = 5,939,331,231.21
  5. Step 5: Solve for x
    x = 5,939,331,231.21/88,768.72
  6. Step 6: Final answer
    x = 66,907.93

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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.