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Finding the Fourth Proportional to 228,046.60, 342,102.30 and 70,258.60

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Solution

The fourth proportional to 228,046.60, 342,102.30 and 70,258.60 is: 105,397.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,046.60 : 342,102.30 = 70,258.60 : x
  2. Step 2: Convert to fraction form
    228,046.60/342,102.30 = 70,258.60/x
  3. Step 3: Cross multiply
    228,046.60x = 342,102.30 × 70,258.60
  4. Step 4: Simplify right side
    228,046.60x = 24,035,628,654.78
  5. Step 5: Solve for x
    x = 24,035,628,654.78/228,046.60
  6. Step 6: Final answer
    x = 105,397.88

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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.