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Finding the Fourth Proportional to 273,765.51, 410,615.91 and 84,225.51

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Solution

The fourth proportional to 273,765.51, 410,615.91 and 84,225.51 is: 126,328.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,765.51 : 410,615.91 = 84,225.51 : x
  2. Step 2: Convert to fraction form
    273,765.51/410,615.91 = 84,225.51/x
  3. Step 3: Cross multiply
    273,765.51x = 410,615.91 × 84,225.51
  4. Step 4: Simplify right side
    273,765.51x = 34,584,334,433.86
  5. Step 5: Solve for x
    x = 34,584,334,433.86/273,765.51
  6. Step 6: Final answer
    x = 126,328.31

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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.