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Finding the Fourth Proportional to 173,193.70, 259,790.55 and 145,200.10

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Solution

The fourth proportional to 173,193.70, 259,790.55 and 145,200.10 is: 217,800.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,193.70 : 259,790.55 = 145,200.10 : x
  2. Step 2: Convert to fraction form
    173,193.70/259,790.55 = 145,200.10/x
  3. Step 3: Cross multiply
    173,193.70x = 259,790.55 × 145,200.10
  4. Step 4: Simplify right side
    173,193.70x = 37,721,613,839.06
  5. Step 5: Solve for x
    x = 37,721,613,839.06/173,193.70
  6. Step 6: Final answer
    x = 217,800.15

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1.5x scale

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.