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Finding the Fourth Proportional to 93,102.80, 139,659.96 and 46,308.56

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Solution

The fourth proportional to 93,102.80, 139,659.96 and 46,308.56 is: 69,465.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,102.80 : 139,659.96 = 46,308.56 : x
  2. Step 2: Convert to fraction form
    93,102.80/139,659.96 = 46,308.56/x
  3. Step 3: Cross multiply
    93,102.80x = 139,659.96 × 46,308.56
  4. Step 4: Simplify right side
    93,102.80x = 6,467,451,637.26
  5. Step 5: Solve for x
    x = 6,467,451,637.26/93,102.80
  6. Step 6: Final answer
    x = 69,465.70

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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.