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Finding the Fourth Proportional to 204,045.60, 306,068.40 and 148,749.60

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Solution

The fourth proportional to 204,045.60, 306,068.40 and 148,749.60 is: 223,124.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,045.60 : 306,068.40 = 148,749.60 : x
  2. Step 2: Convert to fraction form
    204,045.60/306,068.40 = 148,749.60/x
  3. Step 3: Cross multiply
    204,045.60x = 306,068.40 × 148,749.60
  4. Step 4: Simplify right side
    204,045.60x = 45,527,552,072.64
  5. Step 5: Solve for x
    x = 45,527,552,072.64/204,045.60
  6. Step 6: Final answer
    x = 223,124.40

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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.