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Finding the Fourth Proportional to 160,987.20, 241,480.80 and 101,889.60

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Solution

The fourth proportional to 160,987.20, 241,480.80 and 101,889.60 is: 152,834.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,987.20 : 241,480.80 = 101,889.60 : x
  2. Step 2: Convert to fraction form
    160,987.20/241,480.80 = 101,889.60/x
  3. Step 3: Cross multiply
    160,987.20x = 241,480.80 × 101,889.60
  4. Step 4: Simplify right side
    160,987.20x = 24,604,382,119.68
  5. Step 5: Solve for x
    x = 24,604,382,119.68/160,987.20
  6. Step 6: Final answer
    x = 152,834.40

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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.