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Finding the Fourth Proportional to 201,714.04, 302,483.52 and 68,558.50

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Solution

The fourth proportional to 201,714.04, 302,483.52 and 68,558.50 is: 102,808.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,714.04 : 302,483.52 = 68,558.50 : x
  2. Step 2: Convert to fraction form
    201,714.04/302,483.52 = 68,558.50/x
  3. Step 3: Cross multiply
    201,714.04x = 302,483.52 × 68,558.50
  4. Step 4: Simplify right side
    201,714.04x = 20,737,816,405.92
  5. Step 5: Solve for x
    x = 20,737,816,405.92/201,714.04
  6. Step 6: Final answer
    x = 102,808.00

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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.