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Finding the Fourth Proportional to 302,043.62, 453,063.40 and 102,504.49

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Solution

The fourth proportional to 302,043.62, 453,063.40 and 102,504.49 is: 153,756.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,043.62 : 453,063.40 = 102,504.49 : x
  2. Step 2: Convert to fraction form
    302,043.62/453,063.40 = 102,504.49/x
  3. Step 3: Cross multiply
    302,043.62x = 453,063.40 × 102,504.49
  4. Step 4: Simplify right side
    302,043.62x = 46,441,031,365.75
  5. Step 5: Solve for x
    x = 46,441,031,365.75/302,043.62
  6. Step 6: Final answer
    x = 153,756.04

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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.