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Finding the Fourth Proportional to 302,177.88, 452,858.40 and 115,087.32

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Solution

The fourth proportional to 302,177.88, 452,858.40 and 115,087.32 is: 172,475.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,177.88 : 452,858.40 = 115,087.32 : x
  2. Step 2: Convert to fraction form
    302,177.88/452,858.40 = 115,087.32/x
  3. Step 3: Cross multiply
    302,177.88x = 452,858.40 × 115,087.32
  4. Step 4: Simplify right side
    302,177.88x = 52,118,259,595.49
  5. Step 5: Solve for x
    x = 52,118,259,595.49/302,177.88
  6. Step 6: Final answer
    x = 172,475.43

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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.