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Finding the Fourth Proportional to 238,291.04, 328,659.42 and 161,869.06

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Solution

The fourth proportional to 238,291.04, 328,659.42 and 161,869.06 is: 223,255.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,291.04 : 328,659.42 = 161,869.06 : x
  2. Step 2: Convert to fraction form
    238,291.04/328,659.42 = 161,869.06/x
  3. Step 3: Cross multiply
    238,291.04x = 328,659.42 × 161,869.06
  4. Step 4: Simplify right side
    238,291.04x = 53,199,791,375.55
  5. Step 5: Solve for x
    x = 53,199,791,375.55/238,291.04
  6. Step 6: Final answer
    x = 223,255.53

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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.