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Finding the Fourth Proportional to 98,983.52, 148,209.60 and 83,237.12

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Solution

The fourth proportional to 98,983.52, 148,209.60 and 83,237.12 is: 124,632.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,983.52 : 148,209.60 = 83,237.12 : x
  2. Step 2: Convert to fraction form
    98,983.52/148,209.60 = 83,237.12/x
  3. Step 3: Cross multiply
    98,983.52x = 148,209.60 × 83,237.12
  4. Step 4: Simplify right side
    98,983.52x = 12,336,540,260.35
  5. Step 5: Solve for x
    x = 12,336,540,260.35/98,983.52
  6. Step 6: Final answer
    x = 124,632.26

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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.