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Finding the Fourth Proportional to 116,168.80, 173,815.80 and 76,802.80

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Solution

The fourth proportional to 116,168.80, 173,815.80 and 76,802.80 is: 114,915.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,168.80 : 173,815.80 = 76,802.80 : x
  2. Step 2: Convert to fraction form
    116,168.80/173,815.80 = 76,802.80/x
  3. Step 3: Cross multiply
    116,168.80x = 173,815.80 × 76,802.80
  4. Step 4: Simplify right side
    116,168.80x = 13,349,540,124.24
  5. Step 5: Solve for x
    x = 13,349,540,124.24/116,168.80
  6. Step 6: Final answer
    x = 114,915.02

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1.5x scale

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.