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Finding the Fourth Proportional to 302,903.10, 418,006.26 and 166,937.04

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Solution

The fourth proportional to 302,903.10, 418,006.26 and 166,937.04 is: 230,373.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,903.10 : 418,006.26 = 166,937.04 : x
  2. Step 2: Convert to fraction form
    302,903.10/418,006.26 = 166,937.04/x
  3. Step 3: Cross multiply
    302,903.10x = 418,006.26 × 166,937.04
  4. Step 4: Simplify right side
    302,903.10x = 69,780,727,745.87
  5. Step 5: Solve for x
    x = 69,780,727,745.87/302,903.10
  6. Step 6: Final answer
    x = 230,373.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.