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Finding the Fourth Proportional to 262,672.66, 362,482.86 and 160,690.42

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Solution

The fourth proportional to 262,672.66, 362,482.86 and 160,690.42 is: 221,749.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,672.66 : 362,482.86 = 160,690.42 : x
  2. Step 2: Convert to fraction form
    262,672.66/362,482.86 = 160,690.42/x
  3. Step 3: Cross multiply
    262,672.66x = 362,482.86 × 160,690.42
  4. Step 4: Simplify right side
    262,672.66x = 58,247,523,016.20
  5. Step 5: Solve for x
    x = 58,247,523,016.20/262,672.66
  6. Step 6: Final answer
    x = 221,749.47

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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.