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Finding the Fourth Proportional to 201,969.70, 302,760.15 and 156,966.10

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Solution

The fourth proportional to 201,969.70, 302,760.15 and 156,966.10 is: 235,298.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,969.70 : 302,760.15 = 156,966.10 : x
  2. Step 2: Convert to fraction form
    201,969.70/302,760.15 = 156,966.10/x
  3. Step 3: Cross multiply
    201,969.70x = 302,760.15 × 156,966.10
  4. Step 4: Simplify right side
    201,969.70x = 47,523,079,980.92
  5. Step 5: Solve for x
    x = 47,523,079,980.92/201,969.70
  6. Step 6: Final answer
    x = 235,298.07

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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.