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Finding the Fourth Proportional to 306,003.88, 459,070.62 and 95,657.68

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Solution

The fourth proportional to 306,003.88, 459,070.62 and 95,657.68 is: 143,506.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,003.88 : 459,070.62 = 95,657.68 : x
  2. Step 2: Convert to fraction form
    306,003.88/459,070.62 = 95,657.68/x
  3. Step 3: Cross multiply
    306,003.88x = 459,070.62 × 95,657.68
  4. Step 4: Simplify right side
    306,003.88x = 43,913,630,465.36
  5. Step 5: Solve for x
    x = 43,913,630,465.36/306,003.88
  6. Step 6: Final answer
    x = 143,506.78

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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.