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Finding the Fourth Proportional to 302,063.90, 452,999.00 and 99,614.54

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Solution

The fourth proportional to 302,063.90, 452,999.00 and 99,614.54 is: 149,389.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,063.90 : 452,999.00 = 99,614.54 : x
  2. Step 2: Convert to fraction form
    302,063.90/452,999.00 = 99,614.54/x
  3. Step 3: Cross multiply
    302,063.90x = 452,999.00 × 99,614.54
  4. Step 4: Simplify right side
    302,063.90x = 45,125,288,386.99
  5. Step 5: Solve for x
    x = 45,125,288,386.99/302,063.90
  6. Step 6: Final answer
    x = 149,389.88

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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.