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Finding the Fourth Proportional to 295,213.80, 443,039.40 and 117,848.10

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Solution

The fourth proportional to 295,213.80, 443,039.40 and 117,848.10 is: 176,859.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,213.80 : 443,039.40 = 117,848.10 : x
  2. Step 2: Convert to fraction form
    295,213.80/443,039.40 = 117,848.10/x
  3. Step 3: Cross multiply
    295,213.80x = 443,039.40 × 117,848.10
  4. Step 4: Simplify right side
    295,213.80x = 52,211,351,515.14
  5. Step 5: Solve for x
    x = 52,211,351,515.14/295,213.80
  6. Step 6: Final answer
    x = 176,859.45

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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.