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Finding the Fourth Proportional to 366,006.09, 549,053.42 and 129,300.33

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Solution

The fourth proportional to 366,006.09, 549,053.42 and 129,300.33 is: 193,966.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,006.09 : 549,053.42 = 129,300.33 : x
  2. Step 2: Convert to fraction form
    366,006.09/549,053.42 = 129,300.33/x
  3. Step 3: Cross multiply
    366,006.09x = 549,053.42 × 129,300.33
  4. Step 4: Simplify right side
    366,006.09x = 70,992,787,747.13
  5. Step 5: Solve for x
    x = 70,992,787,747.13/366,006.09
  6. Step 6: Final answer
    x = 193,966.14

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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.