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Finding the Fourth Proportional to 366,351.88, 549,369.42 and 126,491.08

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Solution

The fourth proportional to 366,351.88, 549,369.42 and 126,491.08 is: 189,681.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,351.88 : 549,369.42 = 126,491.08 : x
  2. Step 2: Convert to fraction form
    366,351.88/549,369.42 = 126,491.08/x
  3. Step 3: Cross multiply
    366,351.88x = 549,369.42 × 126,491.08
  4. Step 4: Simplify right side
    366,351.88x = 69,490,331,254.77
  5. Step 5: Solve for x
    x = 69,490,331,254.77/366,351.88
  6. Step 6: Final answer
    x = 189,681.93

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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.