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Finding the Fourth Proportional to 141,751.40, 212,627.10 and 97,514.60

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Solution

The fourth proportional to 141,751.40, 212,627.10 and 97,514.60 is: 146,271.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,751.40 : 212,627.10 = 97,514.60 : x
  2. Step 2: Convert to fraction form
    141,751.40/212,627.10 = 97,514.60/x
  3. Step 3: Cross multiply
    141,751.40x = 212,627.10 × 97,514.60
  4. Step 4: Simplify right side
    141,751.40x = 20,734,246,605.66
  5. Step 5: Solve for x
    x = 20,734,246,605.66/141,751.40
  6. Step 6: Final answer
    x = 146,271.90

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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.