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Finding the Fourth Proportional to 260,189.90, 358,930.56 and 174,152.48

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Solution

The fourth proportional to 260,189.90, 358,930.56 and 174,152.48 is: 240,242.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,189.90 : 358,930.56 = 174,152.48 : x
  2. Step 2: Convert to fraction form
    260,189.90/358,930.56 = 174,152.48/x
  3. Step 3: Cross multiply
    260,189.90x = 358,930.56 × 174,152.48
  4. Step 4: Simplify right side
    260,189.90x = 62,508,647,171.79
  5. Step 5: Solve for x
    x = 62,508,647,171.79/260,189.90
  6. Step 6: Final answer
    x = 240,242.40

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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.