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Finding the Fourth Proportional to 229,077.63, 343,534.10 and 79,277.27

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Solution

The fourth proportional to 229,077.63, 343,534.10 and 79,277.27 is: 118,887.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,077.63 : 343,534.10 = 79,277.27 : x
  2. Step 2: Convert to fraction form
    229,077.63/343,534.10 = 79,277.27/x
  3. Step 3: Cross multiply
    229,077.63x = 343,534.10 × 79,277.27
  4. Step 4: Simplify right side
    229,077.63x = 27,234,443,485.85
  5. Step 5: Solve for x
    x = 27,234,443,485.85/229,077.63
  6. Step 6: Final answer
    x = 118,887.40

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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.