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Finding the Fourth Proportional to 125,792.76, 173,616.30 and 75,495

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Solution

The fourth proportional to 125,792.76, 173,616.30 and 75,495 is: 104,196.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,792.76 : 173,616.30 = 75,495 : x
  2. Step 2: Convert to fraction form
    125,792.76/173,616.30 = 75,495/x
  3. Step 3: Cross multiply
    125,792.76x = 173,616.30 × 75,495
  4. Step 4: Simplify right side
    125,792.76x = 13,107,162,568.50
  5. Step 5: Solve for x
    x = 13,107,162,568.50/125,792.76
  6. Step 6: Final answer
    x = 104,196.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.