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Finding the Fourth Proportional to 92,953.52, 128,272.32 and 50,511.12

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Solution

The fourth proportional to 92,953.52, 128,272.32 and 50,511.12 is: 69,703.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,953.52 : 128,272.32 = 50,511.12 : x
  2. Step 2: Convert to fraction form
    92,953.52/128,272.32 = 50,511.12/x
  3. Step 3: Cross multiply
    92,953.52x = 128,272.32 × 50,511.12
  4. Step 4: Simplify right side
    92,953.52x = 6,479,178,548.20
  5. Step 5: Solve for x
    x = 6,479,178,548.20/92,953.52
  6. Step 6: Final answer
    x = 69,703.42

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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.