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Finding the Fourth Proportional to 183,659.40, 275,424.30 and 65,334.60

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Solution

The fourth proportional to 183,659.40, 275,424.30 and 65,334.60 is: 97,978.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,659.40 : 275,424.30 = 65,334.60 : x
  2. Step 2: Convert to fraction form
    183,659.40/275,424.30 = 65,334.60/x
  3. Step 3: Cross multiply
    183,659.40x = 275,424.30 × 65,334.60
  4. Step 4: Simplify right side
    183,659.40x = 17,994,736,470.78
  5. Step 5: Solve for x
    x = 17,994,736,470.78/183,659.40
  6. Step 6: Final answer
    x = 97,978.85

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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.