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Finding the Fourth Proportional to 248,081.97, 372,245.93 and 98,318.95

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Solution

The fourth proportional to 248,081.97, 372,245.93 and 98,318.95 is: 147,527.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,081.97 : 372,245.93 = 98,318.95 : x
  2. Step 2: Convert to fraction form
    248,081.97/372,245.93 = 98,318.95/x
  3. Step 3: Cross multiply
    248,081.97x = 372,245.93 × 98,318.95
  4. Step 4: Simplify right side
    248,081.97x = 36,598,827,925.86
  5. Step 5: Solve for x
    x = 36,598,827,925.86/248,081.97
  6. Step 6: Final answer
    x = 147,527.16

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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.