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Finding the Fourth Proportional to 248,118.16, 372,300.36 and 98,355.28

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Solution

The fourth proportional to 248,118.16, 372,300.36 and 98,355.28 is: 147,581.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,118.16 : 372,300.36 = 98,355.28 : x
  2. Step 2: Convert to fraction form
    248,118.16/372,300.36 = 98,355.28/x
  3. Step 3: Cross multiply
    248,118.16x = 372,300.36 × 98,355.28
  4. Step 4: Simplify right side
    248,118.16x = 36,617,706,151.90
  5. Step 5: Solve for x
    x = 36,617,706,151.90/248,118.16
  6. Step 6: Final answer
    x = 147,581.73

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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.