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Finding the Fourth Proportional to 254,513.63, 351,259.79 and 147,084.54

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Solution

The fourth proportional to 254,513.63, 351,259.79 and 147,084.54 is: 202,994.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,513.63 : 351,259.79 = 147,084.54 : x
  2. Step 2: Convert to fraction form
    254,513.63/351,259.79 = 147,084.54/x
  3. Step 3: Cross multiply
    254,513.63x = 351,259.79 × 147,084.54
  4. Step 4: Simplify right side
    254,513.63x = 51,664,883,897.22
  5. Step 5: Solve for x
    x = 51,664,883,897.22/254,513.63
  6. Step 6: Final answer
    x = 202,994.57

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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.