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Finding the Fourth Proportional to 295,473.60, 443,080.80 and 117,921.60

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Solution

The fourth proportional to 295,473.60, 443,080.80 and 117,921.60 is: 176,830.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,473.60 : 443,080.80 = 117,921.60 : x
  2. Step 2: Convert to fraction form
    295,473.60/443,080.80 = 117,921.60/x
  3. Step 3: Cross multiply
    295,473.60x = 443,080.80 × 117,921.60
  4. Step 4: Simplify right side
    295,473.60x = 52,248,796,865.28
  5. Step 5: Solve for x
    x = 52,248,796,865.28/295,473.60
  6. Step 6: Final answer
    x = 176,830.68

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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.