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Finding the Fourth Proportional to 92,204.53, 127,235.69 and 51,920.53

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Solution

The fourth proportional to 92,204.53, 127,235.69 and 51,920.53 is: 71,646.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,204.53 : 127,235.69 = 51,920.53 : x
  2. Step 2: Convert to fraction form
    92,204.53/127,235.69 = 51,920.53/x
  3. Step 3: Cross multiply
    92,204.53x = 127,235.69 × 51,920.53
  4. Step 4: Simplify right side
    92,204.53x = 6,606,144,200.11
  5. Step 5: Solve for x
    x = 6,606,144,200.11/92,204.53
  6. Step 6: Final answer
    x = 71,646.63

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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.