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Finding the Fourth Proportional to 209,670.60, 289,335.56 and 119,014.60

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Solution

The fourth proportional to 209,670.60, 289,335.56 and 119,014.60 is: 164,234.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,670.60 : 289,335.56 = 119,014.60 : x
  2. Step 2: Convert to fraction form
    209,670.60/289,335.56 = 119,014.60/x
  3. Step 3: Cross multiply
    209,670.60x = 289,335.56 × 119,014.60
  4. Step 4: Simplify right side
    209,670.60x = 34,435,155,939.18
  5. Step 5: Solve for x
    x = 34,435,155,939.18/209,670.60
  6. Step 6: Final answer
    x = 164,234.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.