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Finding the Fourth Proportional to 248,671.14, 373,065.05 and 98,919.96

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Solution

The fourth proportional to 248,671.14, 373,065.05 and 98,919.96 is: 148,403.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,671.14 : 373,065.05 = 98,919.96 : x
  2. Step 2: Convert to fraction form
    248,671.14/373,065.05 = 98,919.96/x
  3. Step 3: Cross multiply
    248,671.14x = 373,065.05 × 98,919.96
  4. Step 4: Simplify right side
    248,671.14x = 36,903,579,328.80
  5. Step 5: Solve for x
    x = 36,903,579,328.80/248,671.14
  6. Step 6: Final answer
    x = 148,403.15

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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.