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Finding the Fourth Proportional to 335,442.64, 503,216.94 and 98,754.16

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Solution

The fourth proportional to 335,442.64, 503,216.94 and 98,754.16 is: 148,146.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,442.64 : 503,216.94 = 98,754.16 : x
  2. Step 2: Convert to fraction form
    335,442.64/503,216.94 = 98,754.16/x
  3. Step 3: Cross multiply
    335,442.64x = 503,216.94 × 98,754.16
  4. Step 4: Simplify right side
    335,442.64x = 49,694,766,207.47
  5. Step 5: Solve for x
    x = 49,694,766,207.47/335,442.64
  6. Step 6: Final answer
    x = 148,146.84

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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.