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Finding the Fourth Proportional to 167,411.40, 251,092.80 and 49,070.40

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Solution

The fourth proportional to 167,411.40, 251,092.80 and 49,070.40 is: 73,598.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,411.40 : 251,092.80 = 49,070.40 : x
  2. Step 2: Convert to fraction form
    167,411.40/251,092.80 = 49,070.40/x
  3. Step 3: Cross multiply
    167,411.40x = 251,092.80 × 49,070.40
  4. Step 4: Simplify right side
    167,411.40x = 12,321,224,133.12
  5. Step 5: Solve for x
    x = 12,321,224,133.12/167,411.40
  6. Step 6: Final answer
    x = 73,598.48

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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.