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Finding the Fourth Proportional to 230,462.37, 345,443.67 and 117,988.27

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Solution

The fourth proportional to 230,462.37, 345,443.67 and 117,988.27 is: 176,854.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,462.37 : 345,443.67 = 117,988.27 : x
  2. Step 2: Convert to fraction form
    230,462.37/345,443.67 = 117,988.27/x
  3. Step 3: Cross multiply
    230,462.37x = 345,443.67 × 117,988.27
  4. Step 4: Simplify right side
    230,462.37x = 40,758,300,142.14
  5. Step 5: Solve for x
    x = 40,758,300,142.14/230,462.37
  6. Step 6: Final answer
    x = 176,854.47

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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.