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Finding the Fourth Proportional to 167,492.47, 251,184.71 and 55,145.93

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Solution

The fourth proportional to 167,492.47, 251,184.71 and 55,145.93 is: 82,701.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,492.47 : 251,184.71 = 55,145.93 : x
  2. Step 2: Convert to fraction form
    167,492.47/251,184.71 = 55,145.93/x
  3. Step 3: Cross multiply
    167,492.47x = 251,184.71 × 55,145.93
  4. Step 4: Simplify right side
    167,492.47x = 13,851,814,786.96
  5. Step 5: Solve for x
    x = 13,851,814,786.96/167,492.47
  6. Step 6: Final answer
    x = 82,701.12

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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.