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Finding the Fourth Proportional to 262,705.32, 362,535.66 and 149,535.36

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Solution

The fourth proportional to 262,705.32, 362,535.66 and 149,535.36 is: 206,360.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,705.32 : 362,535.66 = 149,535.36 : x
  2. Step 2: Convert to fraction form
    262,705.32/362,535.66 = 149,535.36/x
  3. Step 3: Cross multiply
    262,705.32x = 362,535.66 × 149,535.36
  4. Step 4: Simplify right side
    262,705.32x = 54,211,900,430.94
  5. Step 5: Solve for x
    x = 54,211,900,430.94/262,705.32
  6. Step 6: Final answer
    x = 206,360.12

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