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Finding the Fourth Proportional to 295,811.40, 443,717.10 and 96,138.30

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Solution

The fourth proportional to 295,811.40, 443,717.10 and 96,138.30 is: 144,207.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,811.40 : 443,717.10 = 96,138.30 : x
  2. Step 2: Convert to fraction form
    295,811.40/443,717.10 = 96,138.30/x
  3. Step 3: Cross multiply
    295,811.40x = 443,717.10 × 96,138.30
  4. Step 4: Simplify right side
    295,811.40x = 42,658,207,674.93
  5. Step 5: Solve for x
    x = 42,658,207,674.93/295,811.40
  6. Step 6: Final answer
    x = 144,207.45

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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.