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Finding the Fourth Proportional to 306,073.80, 459,110.70 and 95,711.40

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Solution

The fourth proportional to 306,073.80, 459,110.70 and 95,711.40 is: 143,567.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,073.80 : 459,110.70 = 95,711.40 : x
  2. Step 2: Convert to fraction form
    306,073.80/459,110.70 = 95,711.40/x
  3. Step 3: Cross multiply
    306,073.80x = 459,110.70 × 95,711.40
  4. Step 4: Simplify right side
    306,073.80x = 43,942,127,851.98
  5. Step 5: Solve for x
    x = 43,942,127,851.98/306,073.80
  6. Step 6: Final answer
    x = 143,567.10

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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.