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Finding the Fourth Proportional to 92,391.60, 127,476.72 and 56,568.54

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Solution

The fourth proportional to 92,391.60, 127,476.72 and 56,568.54 is: 78,050.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,391.60 : 127,476.72 = 56,568.54 : x
  2. Step 2: Convert to fraction form
    92,391.60/127,476.72 = 56,568.54/x
  3. Step 3: Cross multiply
    92,391.60x = 127,476.72 × 56,568.54
  4. Step 4: Simplify right side
    92,391.60x = 7,211,171,934.39
  5. Step 5: Solve for x
    x = 7,211,171,934.39/92,391.60
  6. Step 6: Final answer
    x = 78,050.08

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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.