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Finding the Fourth Proportional to 98,800.25, 148,200.75 and 23,920.28

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Solution

The fourth proportional to 98,800.25, 148,200.75 and 23,920.28 is: 35,880.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,800.25 : 148,200.75 = 23,920.28 : x
  2. Step 2: Convert to fraction form
    98,800.25/148,200.75 = 23,920.28/x
  3. Step 3: Cross multiply
    98,800.25x = 148,200.75 × 23,920.28
  4. Step 4: Simplify right side
    98,800.25x = 3,545,002,575.60
  5. Step 5: Solve for x
    x = 3,545,002,575.60/98,800.25
  6. Step 6: Final answer
    x = 35,880.50

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1.5x scale

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.