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Finding the Fourth Proportional to 219,032.40, 328,548.60 and 148,173.60

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Solution

The fourth proportional to 219,032.40, 328,548.60 and 148,173.60 is: 222,260.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,032.40 : 328,548.60 = 148,173.60 : x
  2. Step 2: Convert to fraction form
    219,032.40/328,548.60 = 148,173.60/x
  3. Step 3: Cross multiply
    219,032.40x = 328,548.60 × 148,173.60
  4. Step 4: Simplify right side
    219,032.40x = 48,682,228,836.96
  5. Step 5: Solve for x
    x = 48,682,228,836.96/219,032.40
  6. Step 6: Final answer
    x = 222,260.40

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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.