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Finding the Fourth Proportional to 254,692.60, 351,455.21 and 147,269.59

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Solution

The fourth proportional to 254,692.60, 351,455.21 and 147,269.59 is: 203,220.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,692.60 : 351,455.21 = 147,269.59 : x
  2. Step 2: Convert to fraction form
    254,692.60/351,455.21 = 147,269.59/x
  3. Step 3: Cross multiply
    254,692.60x = 351,455.21 × 147,269.59
  4. Step 4: Simplify right side
    254,692.60x = 51,758,664,680.06
  5. Step 5: Solve for x
    x = 51,758,664,680.06/254,692.60
  6. Step 6: Final answer
    x = 203,220.14

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1.5x scale

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.