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Finding the Fourth Proportional to 171,307.04, 256,959.12 and 133,898.58

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Solution

The fourth proportional to 171,307.04, 256,959.12 and 133,898.58 is: 200,846.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,307.04 : 256,959.12 = 133,898.58 : x
  2. Step 2: Convert to fraction form
    171,307.04/256,959.12 = 133,898.58/x
  3. Step 3: Cross multiply
    171,307.04x = 256,959.12 × 133,898.58
  4. Step 4: Simplify right side
    171,307.04x = 34,406,461,286.05
  5. Step 5: Solve for x
    x = 34,406,461,286.05/171,307.04
  6. Step 6: Final answer
    x = 200,846.75

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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.