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Finding the Fourth Proportional to 246,419.60, 369,629.40 and 88,653.20

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Solution

The fourth proportional to 246,419.60, 369,629.40 and 88,653.20 is: 132,979.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,419.60 : 369,629.40 = 88,653.20 : x
  2. Step 2: Convert to fraction form
    246,419.60/369,629.40 = 88,653.20/x
  3. Step 3: Cross multiply
    246,419.60x = 369,629.40 × 88,653.20
  4. Step 4: Simplify right side
    246,419.60x = 32,768,829,124.08
  5. Step 5: Solve for x
    x = 32,768,829,124.08/246,419.60
  6. Step 6: Final answer
    x = 132,979.80

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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.