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Finding the Fourth Proportional to 181,347.71, 250,381.87 and 162,167.72

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Solution

The fourth proportional to 181,347.71, 250,381.87 and 162,167.72 is: 223,900.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,347.71 : 250,381.87 = 162,167.72 : x
  2. Step 2: Convert to fraction form
    181,347.71/250,381.87 = 162,167.72/x
  3. Step 3: Cross multiply
    181,347.71x = 250,381.87 × 162,167.72
  4. Step 4: Simplify right side
    181,347.71x = 40,603,855,329.91
  5. Step 5: Solve for x
    x = 40,603,855,329.91/181,347.71
  6. Step 6: Final answer
    x = 223,900.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.