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Finding the Fourth Proportional to 248,624.70, 372,827.70 and 98,815.20

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Solution

The fourth proportional to 248,624.70, 372,827.70 and 98,815.20 is: 148,179.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,624.70 : 372,827.70 = 98,815.20 : x
  2. Step 2: Convert to fraction form
    248,624.70/372,827.70 = 98,815.20/x
  3. Step 3: Cross multiply
    248,624.70x = 372,827.70 × 98,815.20
  4. Step 4: Simplify right side
    248,624.70x = 36,841,043,741.04
  5. Step 5: Solve for x
    x = 36,841,043,741.04/248,624.70
  6. Step 6: Final answer
    x = 148,179.34

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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.