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Finding the Fourth Proportional to 167,316.21, 250,955.96 and 48,988.71

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Solution

The fourth proportional to 167,316.21, 250,955.96 and 48,988.71 is: 73,477.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,316.21 : 250,955.96 = 48,988.71 : x
  2. Step 2: Convert to fraction form
    167,316.21/250,955.96 = 48,988.71/x
  3. Step 3: Cross multiply
    167,316.21x = 250,955.96 × 48,988.71
  4. Step 4: Simplify right side
    167,316.21x = 12,294,008,502.27
  5. Step 5: Solve for x
    x = 12,294,008,502.27/167,316.21
  6. Step 6: Final answer
    x = 73,477.69

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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.