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Finding the Fourth Proportional to 146,647.87, 202,374.06 and 79,579.87

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Solution

The fourth proportional to 146,647.87, 202,374.06 and 79,579.87 is: 109,820.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,647.87 : 202,374.06 = 79,579.87 : x
  2. Step 2: Convert to fraction form
    146,647.87/202,374.06 = 79,579.87/x
  3. Step 3: Cross multiply
    146,647.87x = 202,374.06 × 79,579.87
  4. Step 4: Simplify right side
    146,647.87x = 16,104,901,187.22
  5. Step 5: Solve for x
    x = 16,104,901,187.22/146,647.87
  6. Step 6: Final answer
    x = 109,820.22

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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.