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Finding the Fourth Proportional to 104,969.60, 157,454.40 and 95,784.20

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Solution

The fourth proportional to 104,969.60, 157,454.40 and 95,784.20 is: 143,676.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,969.60 : 157,454.40 = 95,784.20 : x
  2. Step 2: Convert to fraction form
    104,969.60/157,454.40 = 95,784.20/x
  3. Step 3: Cross multiply
    104,969.60x = 157,454.40 × 95,784.20
  4. Step 4: Simplify right side
    104,969.60x = 15,081,643,740.48
  5. Step 5: Solve for x
    x = 15,081,643,740.48/104,969.60
  6. Step 6: Final answer
    x = 143,676.30

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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.