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Finding the Fourth Proportional to 93,293.86, 139,900.81 and 43,368.75

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Solution

The fourth proportional to 93,293.86, 139,900.81 and 43,368.75 is: 65,034.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,293.86 : 139,900.81 = 43,368.75 : x
  2. Step 2: Convert to fraction form
    93,293.86/139,900.81 = 43,368.75/x
  3. Step 3: Cross multiply
    93,293.86x = 139,900.81 × 43,368.75
  4. Step 4: Simplify right side
    93,293.86x = 6,067,323,253.69
  5. Step 5: Solve for x
    x = 6,067,323,253.69/93,293.86
  6. Step 6: Final answer
    x = 65,034.54

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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.