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Finding the Fourth Proportional to 98,996.99, 148,510.30 and 35,831.89

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Solution

The fourth proportional to 98,996.99, 148,510.30 and 35,831.89 is: 53,753.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,996.99 : 148,510.30 = 35,831.89 : x
  2. Step 2: Convert to fraction form
    98,996.99/148,510.30 = 35,831.89/x
  3. Step 3: Cross multiply
    98,996.99x = 148,510.30 × 35,831.89
  4. Step 4: Simplify right side
    98,996.99x = 5,321,405,194.32
  5. Step 5: Solve for x
    x = 5,321,405,194.32/98,996.99
  6. Step 6: Final answer
    x = 53,753.20

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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.