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Finding the Fourth Proportional to 209,863.04, 289,617.12 and 114,375.89

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Solution

The fourth proportional to 209,863.04, 289,617.12 and 114,375.89 is: 157,842.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,863.04 : 289,617.12 = 114,375.89 : x
  2. Step 2: Convert to fraction form
    209,863.04/289,617.12 = 114,375.89/x
  3. Step 3: Cross multiply
    209,863.04x = 289,617.12 × 114,375.89
  4. Step 4: Simplify right side
    209,863.04x = 33,125,216,583.28
  5. Step 5: Solve for x
    x = 33,125,216,583.28/209,863.04
  6. Step 6: Final answer
    x = 157,842.07

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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.