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Finding the Fourth Proportional to 202,871.80, 304,307.70 and 62,630.20

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Solution

The fourth proportional to 202,871.80, 304,307.70 and 62,630.20 is: 93,945.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,871.80 : 304,307.70 = 62,630.20 : x
  2. Step 2: Convert to fraction form
    202,871.80/304,307.70 = 62,630.20/x
  3. Step 3: Cross multiply
    202,871.80x = 304,307.70 × 62,630.20
  4. Step 4: Simplify right side
    202,871.80x = 19,058,852,112.54
  5. Step 5: Solve for x
    x = 19,058,852,112.54/202,871.80
  6. Step 6: Final answer
    x = 93,945.30

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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.