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Finding the Fourth Proportional to 171,060.10, 256,590.15 and 112,077.70

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Solution

The fourth proportional to 171,060.10, 256,590.15 and 112,077.70 is: 168,116.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,060.10 : 256,590.15 = 112,077.70 : x
  2. Step 2: Convert to fraction form
    171,060.10/256,590.15 = 112,077.70/x
  3. Step 3: Cross multiply
    171,060.10x = 256,590.15 × 112,077.70
  4. Step 4: Simplify right side
    171,060.10x = 28,758,033,854.66
  5. Step 5: Solve for x
    x = 28,758,033,854.66/171,060.10
  6. Step 6: Final answer
    x = 168,116.55

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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.