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Finding the Fourth Proportional to 161,951.72, 242,927.58 and 56,770.64

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Solution

The fourth proportional to 161,951.72, 242,927.58 and 56,770.64 is: 85,155.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,951.72 : 242,927.58 = 56,770.64 : x
  2. Step 2: Convert to fraction form
    161,951.72/242,927.58 = 56,770.64/x
  3. Step 3: Cross multiply
    161,951.72x = 242,927.58 × 56,770.64
  4. Step 4: Simplify right side
    161,951.72x = 13,791,154,190.25
  5. Step 5: Solve for x
    x = 13,791,154,190.25/161,951.72
  6. Step 6: Final answer
    x = 85,155.96

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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.