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Finding the Fourth Proportional to 366,120.91, 549,325.92 and 113,421.11

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Solution

The fourth proportional to 366,120.91, 549,325.92 and 113,421.11 is: 170,176.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,120.91 : 549,325.92 = 113,421.11 : x
  2. Step 2: Convert to fraction form
    366,120.91/549,325.92 = 113,421.11/x
  3. Step 3: Cross multiply
    366,120.91x = 549,325.92 × 113,421.11
  4. Step 4: Simplify right side
    366,120.91x = 62,305,155,728.84
  5. Step 5: Solve for x
    x = 62,305,155,728.84/366,120.91
  6. Step 6: Final answer
    x = 170,176.45

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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.