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Finding the Fourth Proportional to 217,096.40, 325,644.60 and 98,998.40

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Solution

The fourth proportional to 217,096.40, 325,644.60 and 98,998.40 is: 148,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,096.40 : 325,644.60 = 98,998.40 : x
  2. Step 2: Convert to fraction form
    217,096.40/325,644.60 = 98,998.40/x
  3. Step 3: Cross multiply
    217,096.40x = 325,644.60 × 98,998.40
  4. Step 4: Simplify right side
    217,096.40x = 32,238,294,368.64
  5. Step 5: Solve for x
    x = 32,238,294,368.64/217,096.40
  6. Step 6: Final answer
    x = 148,497.60

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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.