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Finding the Fourth Proportional to 83,536.92, 115,281.52 and 45,811.16

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Solution

The fourth proportional to 83,536.92, 115,281.52 and 45,811.16 is: 63,219.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,536.92 : 115,281.52 = 45,811.16 : x
  2. Step 2: Convert to fraction form
    83,536.92/115,281.52 = 45,811.16/x
  3. Step 3: Cross multiply
    83,536.92x = 115,281.52 × 45,811.16
  4. Step 4: Simplify right side
    83,536.92x = 5,281,180,157.76
  5. Step 5: Solve for x
    x = 5,281,180,157.76/83,536.92
  6. Step 6: Final answer
    x = 63,219.71

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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.