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Finding the Fourth Proportional to 197,125.60, 295,688.40 and 157,759.60

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Solution

The fourth proportional to 197,125.60, 295,688.40 and 157,759.60 is: 236,639.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,125.60 : 295,688.40 = 157,759.60 : x
  2. Step 2: Convert to fraction form
    197,125.60/295,688.40 = 157,759.60/x
  3. Step 3: Cross multiply
    197,125.60x = 295,688.40 × 157,759.60
  4. Step 4: Simplify right side
    197,125.60x = 46,647,683,708.64
  5. Step 5: Solve for x
    x = 46,647,683,708.64/197,125.60
  6. Step 6: Final answer
    x = 236,639.40

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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.