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Finding the Fourth Proportional to 125,792.53, 173,596.85 and 68,435.08

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Solution

The fourth proportional to 125,792.53, 173,596.85 and 68,435.08 is: 94,442.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,792.53 : 173,596.85 = 68,435.08 : x
  2. Step 2: Convert to fraction form
    125,792.53/173,596.85 = 68,435.08/x
  3. Step 3: Cross multiply
    125,792.53x = 173,596.85 × 68,435.08
  4. Step 4: Simplify right side
    125,792.53x = 11,880,114,317.50
  5. Step 5: Solve for x
    x = 11,880,114,317.50/125,792.53
  6. Step 6: Final answer
    x = 94,442.13

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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.