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Finding the Fourth Proportional to 229,762.44, 344,643.46 and 72,003.20

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Solution

The fourth proportional to 229,762.44, 344,643.46 and 72,003.20 is: 108,004.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,762.44 : 344,643.46 = 72,003.20 : x
  2. Step 2: Convert to fraction form
    229,762.44/344,643.46 = 72,003.20/x
  3. Step 3: Cross multiply
    229,762.44x = 344,643.46 × 72,003.20
  4. Step 4: Simplify right side
    229,762.44x = 24,815,430,075.85
  5. Step 5: Solve for x
    x = 24,815,430,075.85/229,762.44
  6. Step 6: Final answer
    x = 108,004.73

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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.