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Finding the Fourth Proportional to 167,038.68, 250,572.60 and 42,379.68

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Solution

The fourth proportional to 167,038.68, 250,572.60 and 42,379.68 is: 63,573.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,038.68 : 250,572.60 = 42,379.68 : x
  2. Step 2: Convert to fraction form
    167,038.68/250,572.60 = 42,379.68/x
  3. Step 3: Cross multiply
    167,038.68x = 250,572.60 × 42,379.68
  4. Step 4: Simplify right side
    167,038.68x = 10,619,186,604.77
  5. Step 5: Solve for x
    x = 10,619,186,604.77/167,038.68
  6. Step 6: Final answer
    x = 63,573.22

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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.