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Finding the Fourth Proportional to 201,957.80, 303,592.80 and 173,089.40

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Solution

The fourth proportional to 201,957.80, 303,592.80 and 173,089.40 is: 260,196.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,957.80 : 303,592.80 = 173,089.40 : x
  2. Step 2: Convert to fraction form
    201,957.80/303,592.80 = 173,089.40/x
  3. Step 3: Cross multiply
    201,957.80x = 303,592.80 × 173,089.40
  4. Step 4: Simplify right side
    201,957.80x = 52,548,695,596.32
  5. Step 5: Solve for x
    x = 52,548,695,596.32/201,957.80
  6. Step 6: Final answer
    x = 260,196.42

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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.