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Finding the Fourth Proportional to 260,212.36, 359,083.92 and 147,032.68

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Solution

The fourth proportional to 260,212.36, 359,083.92 and 147,032.68 is: 202,899.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,212.36 : 359,083.92 = 147,032.68 : x
  2. Step 2: Convert to fraction form
    260,212.36/359,083.92 = 147,032.68/x
  3. Step 3: Cross multiply
    260,212.36x = 359,083.92 × 147,032.68
  4. Step 4: Simplify right side
    260,212.36x = 52,797,071,102.51
  5. Step 5: Solve for x
    x = 52,797,071,102.51/260,212.36
  6. Step 6: Final answer
    x = 202,899.94

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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.