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Finding the Fourth Proportional to 245,059.60, 367,589.40 and 120,643.60

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Solution

The fourth proportional to 245,059.60, 367,589.40 and 120,643.60 is: 180,965.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,059.60 : 367,589.40 = 120,643.60 : x
  2. Step 2: Convert to fraction form
    245,059.60/367,589.40 = 120,643.60/x
  3. Step 3: Cross multiply
    245,059.60x = 367,589.40 × 120,643.60
  4. Step 4: Simplify right side
    245,059.60x = 44,347,308,537.84
  5. Step 5: Solve for x
    x = 44,347,308,537.84/245,059.60
  6. Step 6: Final answer
    x = 180,965.40

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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.