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Finding the Fourth Proportional to 186,773.50, 257,747.43 and 101,890.90

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Solution

The fourth proportional to 186,773.50, 257,747.43 and 101,890.90 is: 140,609.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,773.50 : 257,747.43 = 101,890.90 : x
  2. Step 2: Convert to fraction form
    186,773.50/257,747.43 = 101,890.90/x
  3. Step 3: Cross multiply
    186,773.50x = 257,747.43 × 101,890.90
  4. Step 4: Simplify right side
    186,773.50x = 26,262,117,615.39
  5. Step 5: Solve for x
    x = 26,262,117,615.39/186,773.50
  6. Step 6: Final answer
    x = 140,609.44

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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.