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Finding the Fourth Proportional to 248,671.40, 373,065.42 and 98,920.22

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Solution

The fourth proportional to 248,671.40, 373,065.42 and 98,920.22 is: 148,403.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,671.40 : 373,065.42 = 98,920.22 : x
  2. Step 2: Convert to fraction form
    248,671.40/373,065.42 = 98,920.22/x
  3. Step 3: Cross multiply
    248,671.40x = 373,065.42 × 98,920.22
  4. Step 4: Simplify right side
    248,671.40x = 36,903,713,420.79
  5. Step 5: Solve for x
    x = 36,903,713,420.79/248,671.40
  6. Step 6: Final answer
    x = 148,403.53

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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.