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Finding the Fourth Proportional to 136,678.53, 205,032.37 and 57,800.73

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Solution

The fourth proportional to 136,678.53, 205,032.37 and 57,800.73 is: 86,707.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,678.53 : 205,032.37 = 57,800.73 : x
  2. Step 2: Convert to fraction form
    136,678.53/205,032.37 = 57,800.73/x
  3. Step 3: Cross multiply
    136,678.53x = 205,032.37 × 57,800.73
  4. Step 4: Simplify right side
    136,678.53x = 11,851,020,659.63
  5. Step 5: Solve for x
    x = 11,851,020,659.63/136,678.53
  6. Step 6: Final answer
    x = 86,707.26

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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.