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Finding the Fourth Proportional to 201,957.80, 303,330.35 and 164,545.52

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Solution

The fourth proportional to 201,957.80, 303,330.35 and 164,545.52 is: 247,139.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,957.80 : 303,330.35 = 164,545.52 : x
  2. Step 2: Convert to fraction form
    201,957.80/303,330.35 = 164,545.52/x
  3. Step 3: Cross multiply
    201,957.80x = 303,330.35 × 164,545.52
  4. Step 4: Simplify right side
    201,957.80x = 49,911,647,833.15
  5. Step 5: Solve for x
    x = 49,911,647,833.15/201,957.80
  6. Step 6: Final answer
    x = 247,139.00

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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.