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Finding the Fourth Proportional to 246,788.40, 370,182.60 and 141,520.80

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Solution

The fourth proportional to 246,788.40, 370,182.60 and 141,520.80 is: 212,281.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,788.40 : 370,182.60 = 141,520.80 : x
  2. Step 2: Convert to fraction form
    246,788.40/370,182.60 = 141,520.80/x
  3. Step 3: Cross multiply
    246,788.40x = 370,182.60 × 141,520.80
  4. Step 4: Simplify right side
    246,788.40x = 52,388,537,698.08
  5. Step 5: Solve for x
    x = 52,388,537,698.08/246,788.40
  6. Step 6: Final answer
    x = 212,281.20

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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.