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Finding the Fourth Proportional to 202,994.01, 280,132.32 and 112,356.27

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Solution

The fourth proportional to 202,994.01, 280,132.32 and 112,356.27 is: 155,051.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,994.01 : 280,132.32 = 112,356.27 : x
  2. Step 2: Convert to fraction form
    202,994.01/280,132.32 = 112,356.27/x
  3. Step 3: Cross multiply
    202,994.01x = 280,132.32 × 112,356.27
  4. Step 4: Simplify right side
    202,994.01x = 31,474,622,581.65
  5. Step 5: Solve for x
    x = 31,474,622,581.65/202,994.01
  6. Step 6: Final answer
    x = 155,051.98

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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.