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Finding the Fourth Proportional to 93,219.68, 139,849.77 and 34,055.25

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Solution

The fourth proportional to 93,219.68, 139,849.77 and 34,055.25 is: 51,090.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,219.68 : 139,849.77 = 34,055.25 : x
  2. Step 2: Convert to fraction form
    93,219.68/139,849.77 = 34,055.25/x
  3. Step 3: Cross multiply
    93,219.68x = 139,849.77 × 34,055.25
  4. Step 4: Simplify right side
    93,219.68x = 4,762,618,879.79
  5. Step 5: Solve for x
    x = 4,762,618,879.79/93,219.68
  6. Step 6: Final answer
    x = 51,090.28

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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.