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Finding the Fourth Proportional to 170,473, 255,758.10 and 58,178.20

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Solution

The fourth proportional to 170,473, 255,758.10 and 58,178.20 is: 87,283.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,473 : 255,758.10 = 58,178.20 : x
  2. Step 2: Convert to fraction form
    170,473/255,758.10 = 58,178.20/x
  3. Step 3: Cross multiply
    170,473x = 255,758.10 × 58,178.20
  4. Step 4: Simplify right side
    170,473x = 14,879,545,893.42
  5. Step 5: Solve for x
    x = 14,879,545,893.42/170,473
  6. Step 6: Final answer
    x = 87,283.89

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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.