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Finding the Fourth Proportional to 201,094.02, 277,498.89 and 115,054.68

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Solution

The fourth proportional to 201,094.02, 277,498.89 and 115,054.68 is: 158,769.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,094.02 : 277,498.89 = 115,054.68 : x
  2. Step 2: Convert to fraction form
    201,094.02/277,498.89 = 115,054.68/x
  3. Step 3: Cross multiply
    201,094.02x = 277,498.89 × 115,054.68
  4. Step 4: Simplify right side
    201,094.02x = 31,927,545,989.31
  5. Step 5: Solve for x
    x = 31,927,545,989.31/201,094.02
  6. Step 6: Final answer
    x = 158,769.25

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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.