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Finding the Fourth Proportional to 98,982.45, 148,473.68 and 98,982.45

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Solution

The fourth proportional to 98,982.45, 148,473.68 and 98,982.45 is: 148,473.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,982.45 : 148,473.68 = 98,982.45 : x
  2. Step 2: Convert to fraction form
    98,982.45/148,473.68 = 98,982.45/x
  3. Step 3: Cross multiply
    98,982.45x = 148,473.68 × 98,982.45
  4. Step 4: Simplify right side
    98,982.45x = 14,696,288,112.00
  5. Step 5: Solve for x
    x = 14,696,288,112.00/98,982.45
  6. Step 6: Final answer
    x = 148,473.68

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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.