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Finding the Fourth Proportional to 192,830.40, 259,491.60 and 192,830.40

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Solution

The fourth proportional to 192,830.40, 259,491.60 and 192,830.40 is: 259,491.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,830.40 : 259,491.60 = 192,830.40 : x
  2. Step 2: Convert to fraction form
    192,830.40/259,491.60 = 192,830.40/x
  3. Step 3: Cross multiply
    192,830.40x = 259,491.60 × 192,830.40
  4. Step 4: Simplify right side
    192,830.40x = 50,037,869,024.64
  5. Step 5: Solve for x
    x = 50,037,869,024.64/192,830.40
  6. Step 6: Final answer
    x = 259,491.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.