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Finding the Fourth Proportional to 92,391.40, 127,527.78 and 58,868.20

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Solution

The fourth proportional to 92,391.40, 127,527.78 and 58,868.20 is: 81,255.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,391.40 : 127,527.78 = 58,868.20 : x
  2. Step 2: Convert to fraction form
    92,391.40/127,527.78 = 58,868.20/x
  3. Step 3: Cross multiply
    92,391.40x = 127,527.78 × 58,868.20
  4. Step 4: Simplify right side
    92,391.40x = 7,507,330,858.60
  5. Step 5: Solve for x
    x = 7,507,330,858.60/92,391.40
  6. Step 6: Final answer
    x = 81,255.73

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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.