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Finding the Fourth Proportional to 248,688.71, 373,074.40 and 98,930.44

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Solution

The fourth proportional to 248,688.71, 373,074.40 and 98,930.44 is: 148,412.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,688.71 : 373,074.40 = 98,930.44 : x
  2. Step 2: Convert to fraction form
    248,688.71/373,074.40 = 98,930.44/x
  3. Step 3: Cross multiply
    248,688.71x = 373,074.40 × 98,930.44
  4. Step 4: Simplify right side
    248,688.71x = 36,908,414,544.74
  5. Step 5: Solve for x
    x = 36,908,414,544.74/248,688.71
  6. Step 6: Final answer
    x = 148,412.10

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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.