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Finding the Fourth Proportional to 196,896.60, 295,490.70 and 130,314.60

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Solution

The fourth proportional to 196,896.60, 295,490.70 and 130,314.60 is: 195,568.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,896.60 : 295,490.70 = 130,314.60 : x
  2. Step 2: Convert to fraction form
    196,896.60/295,490.70 = 130,314.60/x
  3. Step 3: Cross multiply
    196,896.60x = 295,490.70 × 130,314.60
  4. Step 4: Simplify right side
    196,896.60x = 38,506,752,374.22
  5. Step 5: Solve for x
    x = 38,506,752,374.22/196,896.60
  6. Step 6: Final answer
    x = 195,568.40

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1.5x scale

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.