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Finding the Fourth Proportional to 200,937.90, 301,704.45 and 112,368.30

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Solution

The fourth proportional to 200,937.90, 301,704.45 and 112,368.30 is: 168,718.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,937.90 : 301,704.45 = 112,368.30 : x
  2. Step 2: Convert to fraction form
    200,937.90/301,704.45 = 112,368.30/x
  3. Step 3: Cross multiply
    200,937.90x = 301,704.45 × 112,368.30
  4. Step 4: Simplify right side
    200,937.90x = 33,902,016,148.94
  5. Step 5: Solve for x
    x = 33,902,016,148.94/200,937.90
  6. Step 6: Final answer
    x = 168,718.87

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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.