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Finding the Fourth Proportional to 92,953.58, 128,275.92 and 50,512.01

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Solution

The fourth proportional to 92,953.58, 128,275.92 and 50,512.01 is: 69,706.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,953.58 : 128,275.92 = 50,512.01 : x
  2. Step 2: Convert to fraction form
    92,953.58/128,275.92 = 50,512.01/x
  3. Step 3: Cross multiply
    92,953.58x = 128,275.92 × 50,512.01
  4. Step 4: Simplify right side
    92,953.58x = 6,479,473,912.42
  5. Step 5: Solve for x
    x = 6,479,473,912.42/92,953.58
  6. Step 6: Final answer
    x = 69,706.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.