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Finding the Fourth Proportional to 229,313.60, 343,855.20 and 104,513.60

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Solution

The fourth proportional to 229,313.60, 343,855.20 and 104,513.60 is: 156,717.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,313.60 : 343,855.20 = 104,513.60 : x
  2. Step 2: Convert to fraction form
    229,313.60/343,855.20 = 104,513.60/x
  3. Step 3: Cross multiply
    229,313.60x = 343,855.20 × 104,513.60
  4. Step 4: Simplify right side
    229,313.60x = 35,937,544,830.72
  5. Step 5: Solve for x
    x = 35,937,544,830.72/229,313.60
  6. Step 6: Final answer
    x = 156,717.90

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1.5x scale

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.