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Finding the Fourth Proportional to 160,893.60, 241,570.80 and 90,909.60

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Solution

The fourth proportional to 160,893.60, 241,570.80 and 90,909.60 is: 136,494.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,893.60 : 241,570.80 = 90,909.60 : x
  2. Step 2: Convert to fraction form
    160,893.60/241,570.80 = 90,909.60/x
  3. Step 3: Cross multiply
    160,893.60x = 241,570.80 × 90,909.60
  4. Step 4: Simplify right side
    160,893.60x = 21,961,104,799.68
  5. Step 5: Solve for x
    x = 21,961,104,799.68/160,893.60
  6. Step 6: Final answer
    x = 136,494.58

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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.