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Finding the Fourth Proportional to 83,275.56, 114,919.02 and 49,735.08

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Solution

The fourth proportional to 83,275.56, 114,919.02 and 49,735.08 is: 68,633.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,275.56 : 114,919.02 = 49,735.08 : x
  2. Step 2: Convert to fraction form
    83,275.56/114,919.02 = 49,735.08/x
  3. Step 3: Cross multiply
    83,275.56x = 114,919.02 × 49,735.08
  4. Step 4: Simplify right side
    83,275.56x = 5,715,506,653.22
  5. Step 5: Solve for x
    x = 5,715,506,653.22/83,275.56
  6. Step 6: Final answer
    x = 68,633.66

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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.