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Finding the Fourth Proportional to 170,280.57, 255,420.15 and 51,951.52

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Solution

The fourth proportional to 170,280.57, 255,420.15 and 51,951.52 is: 77,927.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,280.57 : 255,420.15 = 51,951.52 : x
  2. Step 2: Convert to fraction form
    170,280.57/255,420.15 = 51,951.52/x
  3. Step 3: Cross multiply
    170,280.57x = 255,420.15 × 51,951.52
  4. Step 4: Simplify right side
    170,280.57x = 13,269,465,031.13
  5. Step 5: Solve for x
    x = 13,269,465,031.13/170,280.57
  6. Step 6: Final answer
    x = 77,927.06

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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.