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Finding the Fourth Proportional to 170,480.94, 255,795.27 and 91,502.88

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Solution

The fourth proportional to 170,480.94, 255,795.27 and 91,502.88 is: 137,293.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,480.94 : 255,795.27 = 91,502.88 : x
  2. Step 2: Convert to fraction form
    170,480.94/255,795.27 = 91,502.88/x
  3. Step 3: Cross multiply
    170,480.94x = 255,795.27 × 91,502.88
  4. Step 4: Simplify right side
    170,480.94x = 23,406,003,895.38
  5. Step 5: Solve for x
    x = 23,406,003,895.38/170,480.94
  6. Step 6: Final answer
    x = 137,293.96

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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.