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Finding the Fourth Proportional to 171,833.97, 257,666.67 and 70,613.70

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Solution

The fourth proportional to 171,833.97, 257,666.67 and 70,613.70 is: 105,885.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,833.97 : 257,666.67 = 70,613.70 : x
  2. Step 2: Convert to fraction form
    171,833.97/257,666.67 = 70,613.70/x
  3. Step 3: Cross multiply
    171,833.97x = 257,666.67 × 70,613.70
  4. Step 4: Simplify right side
    171,833.97x = 18,194,796,935.38
  5. Step 5: Solve for x
    x = 18,194,796,935.38/171,833.97
  6. Step 6: Final answer
    x = 105,885.91

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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.