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Finding the Fourth Proportional to 92,773.38, 128,027.62 and 50,332.20

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Solution

The fourth proportional to 92,773.38, 128,027.62 and 50,332.20 is: 69,458.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,773.38 : 128,027.62 = 50,332.20 : x
  2. Step 2: Convert to fraction form
    92,773.38/128,027.62 = 50,332.20/x
  3. Step 3: Cross multiply
    92,773.38x = 128,027.62 × 50,332.20
  4. Step 4: Simplify right side
    92,773.38x = 6,443,911,775.36
  5. Step 5: Solve for x
    x = 6,443,911,775.36/92,773.38
  6. Step 6: Final answer
    x = 69,458.63

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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.