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Finding the Fourth Proportional to 277,833.51, 416,750.40 and 67,470.03

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Solution

The fourth proportional to 277,833.51, 416,750.40 and 67,470.03 is: 101,205.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,833.51 : 416,750.40 = 67,470.03 : x
  2. Step 2: Convert to fraction form
    277,833.51/416,750.40 = 67,470.03/x
  3. Step 3: Cross multiply
    277,833.51x = 416,750.40 × 67,470.03
  4. Step 4: Simplify right side
    277,833.51x = 28,118,161,990.51
  5. Step 5: Solve for x
    x = 28,118,161,990.51/277,833.51
  6. Step 6: Final answer
    x = 101,205.08

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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.