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Finding the Fourth Proportional to 167,117.79, 250,676.15 and 42,458.79

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Solution

The fourth proportional to 167,117.79, 250,676.15 and 42,458.79 is: 63,688.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,117.79 : 250,676.15 = 42,458.79 : x
  2. Step 2: Convert to fraction form
    167,117.79/250,676.15 = 42,458.79/x
  3. Step 3: Cross multiply
    167,117.79x = 250,676.15 × 42,458.79
  4. Step 4: Simplify right side
    167,117.79x = 10,643,405,798.56
  5. Step 5: Solve for x
    x = 10,643,405,798.56/167,117.79
  6. Step 6: Final answer
    x = 63,688.05

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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.