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Finding the Fourth Proportional to 136,492.80, 197,361.60 and 136,492.80

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Solution

The fourth proportional to 136,492.80, 197,361.60 and 136,492.80 is: 197,361.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,492.80 : 197,361.60 = 136,492.80 : x
  2. Step 2: Convert to fraction form
    136,492.80/197,361.60 = 136,492.80/x
  3. Step 3: Cross multiply
    136,492.80x = 197,361.60 × 136,492.80
  4. Step 4: Simplify right side
    136,492.80x = 26,938,437,396.48
  5. Step 5: Solve for x
    x = 26,938,437,396.48/136,492.80
  6. Step 6: Final answer
    x = 197,361.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.