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Finding the Fourth Proportional to 260,913.22, 360,055.01 and 146,190.49

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Solution

The fourth proportional to 260,913.22, 360,055.01 and 146,190.49 is: 201,739.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,913.22 : 360,055.01 = 146,190.49 : x
  2. Step 2: Convert to fraction form
    260,913.22/360,055.01 = 146,190.49/x
  3. Step 3: Cross multiply
    260,913.22x = 360,055.01 × 146,190.49
  4. Step 4: Simplify right side
    260,913.22x = 52,636,617,607.90
  5. Step 5: Solve for x
    x = 52,636,617,607.90/260,913.22
  6. Step 6: Final answer
    x = 201,739.94

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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.