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Finding the Fourth Proportional to 183,968, 253,876.08 and 104,480

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Solution

The fourth proportional to 183,968, 253,876.08 and 104,480 is: 144,182.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,968 : 253,876.08 = 104,480 : x
  2. Step 2: Convert to fraction form
    183,968/253,876.08 = 104,480/x
  3. Step 3: Cross multiply
    183,968x = 253,876.08 × 104,480
  4. Step 4: Simplify right side
    183,968x = 26,524,972,838.40
  5. Step 5: Solve for x
    x = 26,524,972,838.40/183,968
  6. Step 6: Final answer
    x = 144,182.54

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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.