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Finding the Fourth Proportional to 170,483.20, 255,702.40 and 52,166.40

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Solution

The fourth proportional to 170,483.20, 255,702.40 and 52,166.40 is: 78,242.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,483.20 : 255,702.40 = 52,166.40 : x
  2. Step 2: Convert to fraction form
    170,483.20/255,702.40 = 52,166.40/x
  3. Step 3: Cross multiply
    170,483.20x = 255,702.40 × 52,166.40
  4. Step 4: Simplify right side
    170,483.20x = 13,339,073,679.36
  5. Step 5: Solve for x
    x = 13,339,073,679.36/170,483.20
  6. Step 6: Final answer
    x = 78,242.75

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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.