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Finding the Fourth Proportional to 104,978.10, 157,467.15 and 95,792.70

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Solution

The fourth proportional to 104,978.10, 157,467.15 and 95,792.70 is: 143,689.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,978.10 : 157,467.15 = 95,792.70 : x
  2. Step 2: Convert to fraction form
    104,978.10/157,467.15 = 95,792.70/x
  3. Step 3: Cross multiply
    104,978.10x = 157,467.15 × 95,792.70
  4. Step 4: Simplify right side
    104,978.10x = 15,084,203,459.81
  5. Step 5: Solve for x
    x = 15,084,203,459.81/104,978.10
  6. Step 6: Final answer
    x = 143,689.05

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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.