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Finding the Fourth Proportional to 92,449.71, 127,580.54 and 50,008.28

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Solution

The fourth proportional to 92,449.71, 127,580.54 and 50,008.28 is: 69,011.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,449.71 : 127,580.54 = 50,008.28 : x
  2. Step 2: Convert to fraction form
    92,449.71/127,580.54 = 50,008.28/x
  3. Step 3: Cross multiply
    92,449.71x = 127,580.54 × 50,008.28
  4. Step 4: Simplify right side
    92,449.71x = 6,380,082,478.93
  5. Step 5: Solve for x
    x = 6,380,082,478.93/92,449.71
  6. Step 6: Final answer
    x = 69,011.38

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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.