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Finding the Fourth Proportional to 186,452.44, 257,401.90 and 145,528.82

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Solution

The fourth proportional to 186,452.44, 257,401.90 and 145,528.82 is: 200,905.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,452.44 : 257,401.90 = 145,528.82 : x
  2. Step 2: Convert to fraction form
    186,452.44/257,401.90 = 145,528.82/x
  3. Step 3: Cross multiply
    186,452.44x = 257,401.90 × 145,528.82
  4. Step 4: Simplify right side
    186,452.44x = 37,459,394,772.76
  5. Step 5: Solve for x
    x = 37,459,394,772.76/186,452.44
  6. Step 6: Final answer
    x = 200,905.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.