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Finding the Fourth Proportional to 295,444.80, 443,246.40 and 118,076.40

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Solution

The fourth proportional to 295,444.80, 443,246.40 and 118,076.40 is: 177,146.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,444.80 : 443,246.40 = 118,076.40 : x
  2. Step 2: Convert to fraction form
    295,444.80/443,246.40 = 118,076.40/x
  3. Step 3: Cross multiply
    295,444.80x = 443,246.40 × 118,076.40
  4. Step 4: Simplify right side
    295,444.80x = 52,336,939,224.96
  5. Step 5: Solve for x
    x = 52,336,939,224.96/295,444.80
  6. Step 6: Final answer
    x = 177,146.25

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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.