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Finding the Fourth Proportional to 272,470.51, 408,701.04 and 122,604.76

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Solution

The fourth proportional to 272,470.51, 408,701.04 and 122,604.76 is: 183,905.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,470.51 : 408,701.04 = 122,604.76 : x
  2. Step 2: Convert to fraction form
    272,470.51/408,701.04 = 122,604.76/x
  3. Step 3: Cross multiply
    272,470.51x = 408,701.04 × 122,604.76
  4. Step 4: Simplify right side
    272,470.51x = 50,108,692,920.95
  5. Step 5: Solve for x
    x = 50,108,692,920.95/272,470.51
  6. Step 6: Final answer
    x = 183,905.01

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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.