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Finding the Fourth Proportional to 202,937.96, 280,054.72 and 112,297.74

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Solution

The fourth proportional to 202,937.96, 280,054.72 and 112,297.74 is: 154,971.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,937.96 : 280,054.72 = 112,297.74 : x
  2. Step 2: Convert to fraction form
    202,937.96/280,054.72 = 112,297.74/x
  3. Step 3: Cross multiply
    202,937.96x = 280,054.72 × 112,297.74
  4. Step 4: Simplify right side
    202,937.96x = 31,449,512,132.33
  5. Step 5: Solve for x
    x = 31,449,512,132.33/202,937.96
  6. Step 6: Final answer
    x = 154,971.07

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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.