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Finding the Fourth Proportional to 169,346, 254,075.88 and 118,797.68

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Solution

The fourth proportional to 169,346, 254,075.88 and 118,797.68 is: 178,236.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,346 : 254,075.88 = 118,797.68 : x
  2. Step 2: Convert to fraction form
    169,346/254,075.88 = 118,797.68/x
  3. Step 3: Cross multiply
    169,346x = 254,075.88 × 118,797.68
  4. Step 4: Simplify right side
    169,346x = 30,183,625,087.96
  5. Step 5: Solve for x
    x = 30,183,625,087.96/169,346
  6. Step 6: Final answer
    x = 178,236.42

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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.