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Finding the Fourth Proportional to 136,598.40, 204,897.60 and 131,349.60

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Solution

The fourth proportional to 136,598.40, 204,897.60 and 131,349.60 is: 197,024.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,598.40 : 204,897.60 = 131,349.60 : x
  2. Step 2: Convert to fraction form
    136,598.40/204,897.60 = 131,349.60/x
  3. Step 3: Cross multiply
    136,598.40x = 204,897.60 × 131,349.60
  4. Step 4: Simplify right side
    136,598.40x = 26,913,217,800.96
  5. Step 5: Solve for x
    x = 26,913,217,800.96/136,598.40
  6. Step 6: Final answer
    x = 197,024.40

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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.