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Finding the Fourth Proportional to 115,179.64, 172,792.95 and 65,282.02

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Solution

The fourth proportional to 115,179.64, 172,792.95 and 65,282.02 is: 97,936.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,179.64 : 172,792.95 = 65,282.02 : x
  2. Step 2: Convert to fraction form
    115,179.64/172,792.95 = 65,282.02/x
  3. Step 3: Cross multiply
    115,179.64x = 172,792.95 × 65,282.02
  4. Step 4: Simplify right side
    115,179.64x = 11,280,272,817.76
  5. Step 5: Solve for x
    x = 11,280,272,817.76/115,179.64
  6. Step 6: Final answer
    x = 97,936.34

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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.