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Finding the Fourth Proportional to 262,852.28, 362,609.70 and 172,169

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Solution

The fourth proportional to 262,852.28, 362,609.70 and 172,169 is: 237,510.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,852.28 : 362,609.70 = 172,169 : x
  2. Step 2: Convert to fraction form
    262,852.28/362,609.70 = 172,169/x
  3. Step 3: Cross multiply
    262,852.28x = 362,609.70 × 172,169
  4. Step 4: Simplify right side
    262,852.28x = 62,430,149,439.30
  5. Step 5: Solve for x
    x = 62,430,149,439.30/262,852.28
  6. Step 6: Final answer
    x = 237,510.40

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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.