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Finding the Fourth Proportional to 92,506.55, 127,659.15 and 50,065.07

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Solution

The fourth proportional to 92,506.55, 127,659.15 and 50,065.07 is: 69,089.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,506.55 : 127,659.15 = 50,065.07 : x
  2. Step 2: Convert to fraction form
    92,506.55/127,659.15 = 50,065.07/x
  3. Step 3: Cross multiply
    92,506.55x = 127,659.15 × 50,065.07
  4. Step 4: Simplify right side
    92,506.55x = 6,391,263,642.59
  5. Step 5: Solve for x
    x = 6,391,263,642.59/92,506.55
  6. Step 6: Final answer
    x = 69,089.85

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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.