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Finding the Fourth Proportional to 366,559.66, 549,498.66 and 142,066.54

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Solution

The fourth proportional to 366,559.66, 549,498.66 and 142,066.54 is: 212,967.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,559.66 : 549,498.66 = 142,066.54 : x
  2. Step 2: Convert to fraction form
    366,559.66/549,498.66 = 142,066.54/x
  3. Step 3: Cross multiply
    366,559.66x = 549,498.66 × 142,066.54
  4. Step 4: Simplify right side
    366,559.66x = 78,065,373,360.84
  5. Step 5: Solve for x
    x = 78,065,373,360.84/366,559.66
  6. Step 6: Final answer
    x = 212,967.72

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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.