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Finding the Fourth Proportional to 248,114.80, 372,269.40 and 98,329.60

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Solution

The fourth proportional to 248,114.80, 372,269.40 and 98,329.60 is: 147,532.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,114.80 : 372,269.40 = 98,329.60 : x
  2. Step 2: Convert to fraction form
    248,114.80/372,269.40 = 98,329.60/x
  3. Step 3: Cross multiply
    248,114.80x = 372,269.40 × 98,329.60
  4. Step 4: Simplify right side
    248,114.80x = 36,605,101,194.24
  5. Step 5: Solve for x
    x = 36,605,101,194.24/248,114.80
  6. Step 6: Final answer
    x = 147,532.92

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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.