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Finding the Fourth Proportional to 91,241.34, 125,913.34 and 50,956.58

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Solution

The fourth proportional to 91,241.34, 125,913.34 and 50,956.58 is: 70,320.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,241.34 : 125,913.34 = 50,956.58 : x
  2. Step 2: Convert to fraction form
    91,241.34/125,913.34 = 50,956.58/x
  3. Step 3: Cross multiply
    91,241.34x = 125,913.34 × 50,956.58
  4. Step 4: Simplify right side
    91,241.34x = 6,416,113,182.78
  5. Step 5: Solve for x
    x = 6,416,113,182.78/91,241.34
  6. Step 6: Final answer
    x = 70,320.24

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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.