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Finding the Fourth Proportional to 160,693.20, 241,039.80 and 134,643.60

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Solution

The fourth proportional to 160,693.20, 241,039.80 and 134,643.60 is: 201,965.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,693.20 : 241,039.80 = 134,643.60 : x
  2. Step 2: Convert to fraction form
    160,693.20/241,039.80 = 134,643.60/x
  3. Step 3: Cross multiply
    160,693.20x = 241,039.80 × 134,643.60
  4. Step 4: Simplify right side
    160,693.20x = 32,454,466,415.28
  5. Step 5: Solve for x
    x = 32,454,466,415.28/160,693.20
  6. Step 6: Final answer
    x = 201,965.40

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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.