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Finding the Fourth Proportional to 204,554.60, 306,543.90 and 162,506.60

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Solution

The fourth proportional to 204,554.60, 306,543.90 and 162,506.60 is: 243,531.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,554.60 : 306,543.90 = 162,506.60 : x
  2. Step 2: Convert to fraction form
    204,554.60/306,543.90 = 162,506.60/x
  3. Step 3: Cross multiply
    204,554.60x = 306,543.90 × 162,506.60
  4. Step 4: Simplify right side
    204,554.60x = 49,815,406,939.74
  5. Step 5: Solve for x
    x = 49,815,406,939.74/204,554.60
  6. Step 6: Final answer
    x = 243,531.10

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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.