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Finding the Fourth Proportional to 256,167.42, 384,242.93 and 115,926.04

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Solution

The fourth proportional to 256,167.42, 384,242.93 and 115,926.04 is: 173,885.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,167.42 : 384,242.93 = 115,926.04 : x
  2. Step 2: Convert to fraction form
    256,167.42/384,242.93 = 115,926.04/x
  3. Step 3: Cross multiply
    256,167.42x = 384,242.93 × 115,926.04
  4. Step 4: Simplify right side
    256,167.42x = 44,543,761,272.90
  5. Step 5: Solve for x
    x = 44,543,761,272.90/256,167.42
  6. Step 6: Final answer
    x = 173,885.35

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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.