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Finding the Fourth Proportional to 160,987.54, 241,533.78 and 80,984.22

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Solution

The fourth proportional to 160,987.54, 241,533.78 and 80,984.22 is: 121,502.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,987.54 : 241,533.78 = 80,984.22 : x
  2. Step 2: Convert to fraction form
    160,987.54/241,533.78 = 80,984.22/x
  3. Step 3: Cross multiply
    160,987.54x = 241,533.78 × 80,984.22
  4. Step 4: Simplify right side
    160,987.54x = 19,560,424,575.11
  5. Step 5: Solve for x
    x = 19,560,424,575.11/160,987.54
  6. Step 6: Final answer
    x = 121,502.72

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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.