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Finding the Fourth Proportional to 223,313.10, 334,969.65 and 134,739.60

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Solution

The fourth proportional to 223,313.10, 334,969.65 and 134,739.60 is: 202,109.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,313.10 : 334,969.65 = 134,739.60 : x
  2. Step 2: Convert to fraction form
    223,313.10/334,969.65 = 134,739.60/x
  3. Step 3: Cross multiply
    223,313.10x = 334,969.65 × 134,739.60
  4. Step 4: Simplify right side
    223,313.10x = 45,133,676,653.14
  5. Step 5: Solve for x
    x = 45,133,676,653.14/223,313.10
  6. Step 6: Final answer
    x = 202,109.40

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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.