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Finding the Fourth Proportional to 260,962.93, 360,129.52 and 152,131.88

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Solution

The fourth proportional to 260,962.93, 360,129.52 and 152,131.88 is: 209,942.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,962.93 : 360,129.52 = 152,131.88 : x
  2. Step 2: Convert to fraction form
    260,962.93/360,129.52 = 152,131.88/x
  3. Step 3: Cross multiply
    260,962.93x = 360,129.52 × 152,131.88
  4. Step 4: Simplify right side
    260,962.93x = 54,787,180,661.10
  5. Step 5: Solve for x
    x = 54,787,180,661.10/260,962.93
  6. Step 6: Final answer
    x = 209,942.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.