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Finding the Fourth Proportional to 160,767.60, 241,410.60 and 108,409.20

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Solution

The fourth proportional to 160,767.60, 241,410.60 and 108,409.20 is: 162,788.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,767.60 : 241,410.60 = 108,409.20 : x
  2. Step 2: Convert to fraction form
    160,767.60/241,410.60 = 108,409.20/x
  3. Step 3: Cross multiply
    160,767.60x = 241,410.60 × 108,409.20
  4. Step 4: Simplify right side
    160,767.60x = 26,171,130,017.52
  5. Step 5: Solve for x
    x = 26,171,130,017.52/160,767.60
  6. Step 6: Final answer
    x = 162,788.58

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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.