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Finding the Fourth Proportional to 197,122.40, 295,683.60 and 152,885.60

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Solution

The fourth proportional to 197,122.40, 295,683.60 and 152,885.60 is: 229,328.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,122.40 : 295,683.60 = 152,885.60 : x
  2. Step 2: Convert to fraction form
    197,122.40/295,683.60 = 152,885.60/x
  3. Step 3: Cross multiply
    197,122.40x = 295,683.60 × 152,885.60
  4. Step 4: Simplify right side
    197,122.40x = 45,205,764,596.16
  5. Step 5: Solve for x
    x = 45,205,764,596.16/197,122.40
  6. Step 6: Final answer
    x = 229,328.40

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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.