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Finding the Fourth Proportional to 171,275.32, 256,818.66 and 52,913.80

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Solution

The fourth proportional to 171,275.32, 256,818.66 and 52,913.80 is: 79,341.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,275.32 : 256,818.66 = 52,913.80 : x
  2. Step 2: Convert to fraction form
    171,275.32/256,818.66 = 52,913.80/x
  3. Step 3: Cross multiply
    171,275.32x = 256,818.66 × 52,913.80
  4. Step 4: Simplify right side
    171,275.32x = 13,589,251,211.51
  5. Step 5: Solve for x
    x = 13,589,251,211.51/171,275.32
  6. Step 6: Final answer
    x = 79,341.56

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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.