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Finding the Fourth Proportional to 99,088.92, 148,706.28 and 65,797.92

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Solution

The fourth proportional to 99,088.92, 148,706.28 and 65,797.92 is: 98,745.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,088.92 : 148,706.28 = 65,797.92 : x
  2. Step 2: Convert to fraction form
    99,088.92/148,706.28 = 65,797.92/x
  3. Step 3: Cross multiply
    99,088.92x = 148,706.28 × 65,797.92
  4. Step 4: Simplify right side
    99,088.92x = 9,784,563,914.94
  5. Step 5: Solve for x
    x = 9,784,563,914.94/99,088.92
  6. Step 6: Final answer
    x = 98,745.29

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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.