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Finding the Fourth Proportional to 295,698.90, 443,657.70 and 118,333.20

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Solution

The fourth proportional to 295,698.90, 443,657.70 and 118,333.20 is: 177,543.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,698.90 : 443,657.70 = 118,333.20 : x
  2. Step 2: Convert to fraction form
    295,698.90/443,657.70 = 118,333.20/x
  3. Step 3: Cross multiply
    295,698.90x = 443,657.70 × 118,333.20
  4. Step 4: Simplify right side
    295,698.90x = 52,499,435,345.64
  5. Step 5: Solve for x
    x = 52,499,435,345.64/295,698.90
  6. Step 6: Final answer
    x = 177,543.56

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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.