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Finding the Fourth Proportional to 93,201.33, 139,801.32 and 55,771.77

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Solution

The fourth proportional to 93,201.33, 139,801.32 and 55,771.77 is: 83,657.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,201.33 : 139,801.32 = 55,771.77 : x
  2. Step 2: Convert to fraction form
    93,201.33/139,801.32 = 55,771.77/x
  3. Step 3: Cross multiply
    93,201.33x = 139,801.32 × 55,771.77
  4. Step 4: Simplify right side
    93,201.33x = 7,796,967,064.74
  5. Step 5: Solve for x
    x = 7,796,967,064.74/93,201.33
  6. Step 6: Final answer
    x = 83,657.25

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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.