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Finding the Fourth Proportional to 193,673.10, 290,526.40 and 53,431.73

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Solution

The fourth proportional to 193,673.10, 290,526.40 and 53,431.73 is: 80,152.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,673.10 : 290,526.40 = 53,431.73 : x
  2. Step 2: Convert to fraction form
    193,673.10/290,526.40 = 53,431.73/x
  3. Step 3: Cross multiply
    193,673.10x = 290,526.40 × 53,431.73
  4. Step 4: Simplify right side
    193,673.10x = 15,523,328,162.67
  5. Step 5: Solve for x
    x = 15,523,328,162.67/193,673.10
  6. Step 6: Final answer
    x = 80,152.22

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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.