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Finding the Fourth Proportional to 161,417.64, 242,165.34 and 50,609.64

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Solution

The fourth proportional to 161,417.64, 242,165.34 and 50,609.64 is: 75,926.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,417.64 : 242,165.34 = 50,609.64 : x
  2. Step 2: Convert to fraction form
    161,417.64/242,165.34 = 50,609.64/x
  3. Step 3: Cross multiply
    161,417.64x = 242,165.34 × 50,609.64
  4. Step 4: Simplify right side
    161,417.64x = 12,255,900,677.88
  5. Step 5: Solve for x
    x = 12,255,900,677.88/161,417.64
  6. Step 6: Final answer
    x = 75,926.65

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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.