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Finding the Fourth Proportional to 326,475.66, 489,615.08 and 116,100.84

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Solution

The fourth proportional to 326,475.66, 489,615.08 and 116,100.84 is: 174,116.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,475.66 : 489,615.08 = 116,100.84 : x
  2. Step 2: Convert to fraction form
    326,475.66/489,615.08 = 116,100.84/x
  3. Step 3: Cross multiply
    326,475.66x = 489,615.08 × 116,100.84
  4. Step 4: Simplify right side
    326,475.66x = 56,844,723,973.29
  5. Step 5: Solve for x
    x = 56,844,723,973.29/326,475.66
  6. Step 6: Final answer
    x = 174,116.27

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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.