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Finding the Fourth Proportional to 295,725.90, 443,880.45 and 146,135.10

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Solution

The fourth proportional to 295,725.90, 443,880.45 and 146,135.10 is: 219,346.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,725.90 : 443,880.45 = 146,135.10 : x
  2. Step 2: Convert to fraction form
    295,725.90/443,880.45 = 146,135.10/x
  3. Step 3: Cross multiply
    295,725.90x = 443,880.45 × 146,135.10
  4. Step 4: Simplify right side
    295,725.90x = 64,866,513,948.80
  5. Step 5: Solve for x
    x = 64,866,513,948.80/295,725.90
  6. Step 6: Final answer
    x = 219,346.75

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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.