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Finding the Fourth Proportional to 92,628.84, 127,826.13 and 52,341.74

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Solution

The fourth proportional to 92,628.84, 127,826.13 and 52,341.74 is: 72,230.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,628.84 : 127,826.13 = 52,341.74 : x
  2. Step 2: Convert to fraction form
    92,628.84/127,826.13 = 52,341.74/x
  3. Step 3: Cross multiply
    92,628.84x = 127,826.13 × 52,341.74
  4. Step 4: Simplify right side
    92,628.84x = 6,690,641,422.54
  5. Step 5: Solve for x
    x = 6,690,641,422.54/92,628.84
  6. Step 6: Final answer
    x = 72,230.65

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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.