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Finding the Fourth Proportional to 277,373.03, 416,027.25 and 74,959.54

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Solution

The fourth proportional to 277,373.03, 416,027.25 and 74,959.54 is: 112,430.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,373.03 : 416,027.25 = 74,959.54 : x
  2. Step 2: Convert to fraction form
    277,373.03/416,027.25 = 74,959.54/x
  3. Step 3: Cross multiply
    277,373.03x = 416,027.25 × 74,959.54
  4. Step 4: Simplify right side
    277,373.03x = 31,185,210,247.40
  5. Step 5: Solve for x
    x = 31,185,210,247.40/277,373.03
  6. Step 6: Final answer
    x = 112,430.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.