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Finding the Fourth Proportional to 167,957.04, 251,971.10 and 55,630.90

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Solution

The fourth proportional to 167,957.04, 251,971.10 and 55,630.90 is: 83,458.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,957.04 : 251,971.10 = 55,630.90 : x
  2. Step 2: Convert to fraction form
    167,957.04/251,971.10 = 55,630.90/x
  3. Step 3: Cross multiply
    167,957.04x = 251,971.10 × 55,630.90
  4. Step 4: Simplify right side
    167,957.04x = 14,017,379,066.99
  5. Step 5: Solve for x
    x = 14,017,379,066.99/167,957.04
  6. Step 6: Final answer
    x = 83,458.12

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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.