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Finding the Fourth Proportional to 295,695.90, 443,653.20 and 118,330.20

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Solution

The fourth proportional to 295,695.90, 443,653.20 and 118,330.20 is: 177,539.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,695.90 : 443,653.20 = 118,330.20 : x
  2. Step 2: Convert to fraction form
    295,695.90/443,653.20 = 118,330.20/x
  3. Step 3: Cross multiply
    295,695.90x = 443,653.20 × 118,330.20
  4. Step 4: Simplify right side
    295,695.90x = 52,497,571,886.64
  5. Step 5: Solve for x
    x = 52,497,571,886.64/295,695.90
  6. Step 6: Final answer
    x = 177,539.06

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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.