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Finding the Fourth Proportional to 133,032.60, 199,062.90 and 98,040.60

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Solution

The fourth proportional to 133,032.60, 199,062.90 and 98,040.60 is: 146,702.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,032.60 : 199,062.90 = 98,040.60 : x
  2. Step 2: Convert to fraction form
    133,032.60/199,062.90 = 98,040.60/x
  3. Step 3: Cross multiply
    133,032.60x = 199,062.90 × 98,040.60
  4. Step 4: Simplify right side
    133,032.60x = 19,516,246,153.74
  5. Step 5: Solve for x
    x = 19,516,246,153.74/133,032.60
  6. Step 6: Final answer
    x = 146,702.73

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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.