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Finding the Fourth Proportional to 76,792.35, 115,180.35 and 26,873.40

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Solution

The fourth proportional to 76,792.35, 115,180.35 and 26,873.40 is: 40,307.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,792.35 : 115,180.35 = 26,873.40 : x
  2. Step 2: Convert to fraction form
    76,792.35/115,180.35 = 26,873.40/x
  3. Step 3: Cross multiply
    76,792.35x = 115,180.35 × 26,873.40
  4. Step 4: Simplify right side
    76,792.35x = 3,095,287,948.84
  5. Step 5: Solve for x
    x = 3,095,287,948.84/76,792.35
  6. Step 6: Final answer
    x = 40,307.24

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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.