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Finding the Fourth Proportional to 170,853.80, 256,280.70 and 44,493.80

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Solution

The fourth proportional to 170,853.80, 256,280.70 and 44,493.80 is: 66,740.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,853.80 : 256,280.70 = 44,493.80 : x
  2. Step 2: Convert to fraction form
    170,853.80/256,280.70 = 44,493.80/x
  3. Step 3: Cross multiply
    170,853.80x = 256,280.70 × 44,493.80
  4. Step 4: Simplify right side
    170,853.80x = 11,402,902,209.66
  5. Step 5: Solve for x
    x = 11,402,902,209.66/170,853.80
  6. Step 6: Final answer
    x = 66,740.70

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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.