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Finding the Fourth Proportional to 206,852.80, 310,336.80 and 101,675.20

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Solution

The fourth proportional to 206,852.80, 310,336.80 and 101,675.20 is: 152,541.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,852.80 : 310,336.80 = 101,675.20 : x
  2. Step 2: Convert to fraction form
    206,852.80/310,336.80 = 101,675.20/x
  3. Step 3: Cross multiply
    206,852.80x = 310,336.80 × 101,675.20
  4. Step 4: Simplify right side
    206,852.80x = 31,553,556,207.36
  5. Step 5: Solve for x
    x = 31,553,556,207.36/206,852.80
  6. Step 6: Final answer
    x = 152,541.11

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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.