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Finding the Fourth Proportional to 245,449.60, 368,001.60 and 112,393.60

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Solution

The fourth proportional to 245,449.60, 368,001.60 and 112,393.60 is: 168,511.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,449.60 : 368,001.60 = 112,393.60 : x
  2. Step 2: Convert to fraction form
    245,449.60/368,001.60 = 112,393.60/x
  3. Step 3: Cross multiply
    245,449.60x = 368,001.60 × 112,393.60
  4. Step 4: Simplify right side
    245,449.60x = 41,361,024,629.76
  5. Step 5: Solve for x
    x = 41,361,024,629.76/245,449.60
  6. Step 6: Final answer
    x = 168,511.27

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1.5x scale

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.