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Finding the Fourth Proportional to 161,580.59, 242,481.57 and 56,399.55

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Solution

The fourth proportional to 161,580.59, 242,481.57 and 56,399.55 is: 84,637.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,580.59 : 242,481.57 = 56,399.55 : x
  2. Step 2: Convert to fraction form
    161,580.59/242,481.57 = 56,399.55/x
  3. Step 3: Cross multiply
    161,580.59x = 242,481.57 × 56,399.55
  4. Step 4: Simplify right side
    161,580.59x = 13,675,851,431.29
  5. Step 5: Solve for x
    x = 13,675,851,431.29/161,580.59
  6. Step 6: Final answer
    x = 84,637.96

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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.