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Finding the Fourth Proportional to 92,659.67, 127,870.32 and 50,218.21

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Solution

The fourth proportional to 92,659.67, 127,870.32 and 50,218.21 is: 69,301.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,659.67 : 127,870.32 = 50,218.21 : x
  2. Step 2: Convert to fraction form
    92,659.67/127,870.32 = 50,218.21/x
  3. Step 3: Cross multiply
    92,659.67x = 127,870.32 × 50,218.21
  4. Step 4: Simplify right side
    92,659.67x = 6,421,418,582.53
  5. Step 5: Solve for x
    x = 6,421,418,582.53/92,659.67
  6. Step 6: Final answer
    x = 69,301.12

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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.