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Finding the Fourth Proportional to 299,152.19, 448,732.22 and 99,472.59

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Solution

The fourth proportional to 299,152.19, 448,732.22 and 99,472.59 is: 149,210.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,152.19 : 448,732.22 = 99,472.59 : x
  2. Step 2: Convert to fraction form
    299,152.19/448,732.22 = 99,472.59/x
  3. Step 3: Cross multiply
    299,152.19x = 448,732.22 × 99,472.59
  4. Step 4: Simplify right side
    299,152.19x = 44,636,556,139.85
  5. Step 5: Solve for x
    x = 44,636,556,139.85/299,152.19
  6. Step 6: Final answer
    x = 149,210.19

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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.