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Finding the Fourth Proportional to 272,477.04, 408,710.79 and 122,611.26

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Solution

The fourth proportional to 272,477.04, 408,710.79 and 122,611.26 is: 183,914.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,477.04 : 408,710.79 = 122,611.26 : x
  2. Step 2: Convert to fraction form
    272,477.04/408,710.79 = 122,611.26/x
  3. Step 3: Cross multiply
    272,477.04x = 408,710.79 × 122,611.26
  4. Step 4: Simplify right side
    272,477.04x = 50,112,544,937.50
  5. Step 5: Solve for x
    x = 50,112,544,937.50/272,477.04
  6. Step 6: Final answer
    x = 183,914.74

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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.