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Finding the Fourth Proportional to 92,678.95, 127,893.51 and 50,236.57

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Solution

The fourth proportional to 92,678.95, 127,893.51 and 50,236.57 is: 69,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,678.95 : 127,893.51 = 50,236.57 : x
  2. Step 2: Convert to fraction form
    92,678.95/127,893.51 = 50,236.57/x
  3. Step 3: Cross multiply
    92,678.95x = 127,893.51 × 50,236.57
  4. Step 4: Simplify right side
    92,678.95x = 6,424,931,267.66
  5. Step 5: Solve for x
    x = 6,424,931,267.66/92,678.95
  6. Step 6: Final answer
    x = 69,324.60

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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.