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Finding the Fourth Proportional to 93,155.58, 139,801.05 and 69,844.86

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Solution

The fourth proportional to 93,155.58, 139,801.05 and 69,844.86 is: 104,818.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,155.58 : 139,801.05 = 69,844.86 : x
  2. Step 2: Convert to fraction form
    93,155.58/139,801.05 = 69,844.86/x
  3. Step 3: Cross multiply
    93,155.58x = 139,801.05 × 69,844.86
  4. Step 4: Simplify right side
    93,155.58x = 9,764,384,765.10
  5. Step 5: Solve for x
    x = 9,764,384,765.10/93,155.58
  6. Step 6: Final answer
    x = 104,818.03

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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.