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Finding the Fourth Proportional to 133,953.97, 200,930.95 and 40,459.72

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Solution

The fourth proportional to 133,953.97, 200,930.95 and 40,459.72 is: 60,689.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,953.97 : 200,930.95 = 40,459.72 : x
  2. Step 2: Convert to fraction form
    133,953.97/200,930.95 = 40,459.72/x
  3. Step 3: Cross multiply
    133,953.97x = 200,930.95 × 40,459.72
  4. Step 4: Simplify right side
    133,953.97x = 8,129,609,673.74
  5. Step 5: Solve for x
    x = 8,129,609,673.74/133,953.97
  6. Step 6: Final answer
    x = 60,689.58

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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.