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Finding the Fourth Proportional to 302,661.56, 453,995.98 and 102,986.04

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Solution

The fourth proportional to 302,661.56, 453,995.98 and 102,986.04 is: 154,480.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,661.56 : 453,995.98 = 102,986.04 : x
  2. Step 2: Convert to fraction form
    302,661.56/453,995.98 = 102,986.04/x
  3. Step 3: Cross multiply
    302,661.56x = 453,995.98 × 102,986.04
  4. Step 4: Simplify right side
    302,661.56x = 46,755,248,156.12
  5. Step 5: Solve for x
    x = 46,755,248,156.12/302,661.56
  6. Step 6: Final answer
    x = 154,480.30

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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.