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Finding the Fourth Proportional to 92,454, 127,585.76 and 50,012.64

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Solution

The fourth proportional to 92,454, 127,585.76 and 50,012.64 is: 69,017.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,454 : 127,585.76 = 50,012.64 : x
  2. Step 2: Convert to fraction form
    92,454/127,585.76 = 50,012.64/x
  3. Step 3: Cross multiply
    92,454x = 127,585.76 × 50,012.64
  4. Step 4: Simplify right side
    92,454x = 6,380,900,684.01
  5. Step 5: Solve for x
    x = 6,380,900,684.01/92,454
  6. Step 6: Final answer
    x = 69,017.03

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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.