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Finding the Fourth Proportional to 295,688.80, 443,423.85 and 96,015.70

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Solution

The fourth proportional to 295,688.80, 443,423.85 and 96,015.70 is: 143,988.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,688.80 : 443,423.85 = 96,015.70 : x
  2. Step 2: Convert to fraction form
    295,688.80/443,423.85 = 96,015.70/x
  3. Step 3: Cross multiply
    295,688.80x = 443,423.85 × 96,015.70
  4. Step 4: Simplify right side
    295,688.80x = 42,575,651,354.45
  5. Step 5: Solve for x
    x = 42,575,651,354.45/295,688.80
  6. Step 6: Final answer
    x = 143,988.04

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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.