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Finding the Fourth Proportional to 172,472.85, 237,808.92 and 118,051.24

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Solution

The fourth proportional to 172,472.85, 237,808.92 and 118,051.24 is: 162,771.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,472.85 : 237,808.92 = 118,051.24 : x
  2. Step 2: Convert to fraction form
    172,472.85/237,808.92 = 118,051.24/x
  3. Step 3: Cross multiply
    172,472.85x = 237,808.92 × 118,051.24
  4. Step 4: Simplify right side
    172,472.85x = 28,073,637,889.06
  5. Step 5: Solve for x
    x = 28,073,637,889.06/172,472.85
  6. Step 6: Final answer
    x = 162,771.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.