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Finding the Fourth Proportional to 93,291.86, 128,741.46 and 50,850.56

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Solution

The fourth proportional to 93,291.86, 128,741.46 and 50,850.56 is: 70,173.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,291.86 : 128,741.46 = 50,850.56 : x
  2. Step 2: Convert to fraction form
    93,291.86/128,741.46 = 50,850.56/x
  3. Step 3: Cross multiply
    93,291.86x = 128,741.46 × 50,850.56
  4. Step 4: Simplify right side
    93,291.86x = 6,546,575,336.22
  5. Step 5: Solve for x
    x = 6,546,575,336.22/93,291.86
  6. Step 6: Final answer
    x = 70,173.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.