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Finding the Fourth Proportional to 93,245.67, 128,679.03 and 50,804.19

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Solution

The fourth proportional to 93,245.67, 128,679.03 and 50,804.19 is: 70,109.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,245.67 : 128,679.03 = 50,804.19 : x
  2. Step 2: Convert to fraction form
    93,245.67/128,679.03 = 50,804.19/x
  3. Step 3: Cross multiply
    93,245.67x = 128,679.03 × 50,804.19
  4. Step 4: Simplify right side
    93,245.67x = 6,537,433,889.14
  5. Step 5: Solve for x
    x = 6,537,433,889.14/93,245.67
  6. Step 6: Final answer
    x = 70,109.79

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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.