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Finding the Fourth Proportional to 201,093.51, 277,498.21 and 115,054.20

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Solution

The fourth proportional to 201,093.51, 277,498.21 and 115,054.20 is: 158,768.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,093.51 : 277,498.21 = 115,054.20 : x
  2. Step 2: Convert to fraction form
    201,093.51/277,498.21 = 115,054.20/x
  3. Step 3: Cross multiply
    201,093.51x = 277,498.21 × 115,054.20
  4. Step 4: Simplify right side
    201,093.51x = 31,927,334,552.98
  5. Step 5: Solve for x
    x = 31,927,334,552.98/201,093.51
  6. Step 6: Final answer
    x = 158,768.60

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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.