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Finding the Fourth Proportional to 98,797.17, 148,223.50 and 39,674.36

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Solution

The fourth proportional to 98,797.17, 148,223.50 and 39,674.36 is: 59,522.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,797.17 : 148,223.50 = 39,674.36 : x
  2. Step 2: Convert to fraction form
    98,797.17/148,223.50 = 39,674.36/x
  3. Step 3: Cross multiply
    98,797.17x = 148,223.50 × 39,674.36
  4. Step 4: Simplify right side
    98,797.17x = 5,880,671,659.16
  5. Step 5: Solve for x
    x = 5,880,671,659.16/98,797.17
  6. Step 6: Final answer
    x = 59,522.67

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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.