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Finding the Fourth Proportional to 248,529.60, 372,794.40 and 98,720.10

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Solution

The fourth proportional to 248,529.60, 372,794.40 and 98,720.10 is: 148,080.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,529.60 : 372,794.40 = 98,720.10 : x
  2. Step 2: Convert to fraction form
    248,529.60/372,794.40 = 98,720.10/x
  3. Step 3: Cross multiply
    248,529.60x = 372,794.40 × 98,720.10
  4. Step 4: Simplify right side
    248,529.60x = 36,802,300,447.44
  5. Step 5: Solve for x
    x = 36,802,300,447.44/248,529.60
  6. Step 6: Final answer
    x = 148,080.15

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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.