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Finding the Fourth Proportional to 155,573.96, 214,696.37 and 95,143.50

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Solution

The fourth proportional to 155,573.96, 214,696.37 and 95,143.50 is: 131,300.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,573.96 : 214,696.37 = 95,143.50 : x
  2. Step 2: Convert to fraction form
    155,573.96/214,696.37 = 95,143.50/x
  3. Step 3: Cross multiply
    155,573.96x = 214,696.37 × 95,143.50
  4. Step 4: Simplify right side
    155,573.96x = 20,426,963,603.38
  5. Step 5: Solve for x
    x = 20,426,963,603.38/155,573.96
  6. Step 6: Final answer
    x = 131,300.66

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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.