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Finding the Fourth Proportional to 84,170.89, 116,151.72 and 45,928.16

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Solution

The fourth proportional to 84,170.89, 116,151.72 and 45,928.16 is: 63,378.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,170.89 : 116,151.72 = 45,928.16 : x
  2. Step 2: Convert to fraction form
    84,170.89/116,151.72 = 45,928.16/x
  3. Step 3: Cross multiply
    84,170.89x = 116,151.72 × 45,928.16
  4. Step 4: Simplify right side
    84,170.89x = 5,334,634,635.25
  5. Step 5: Solve for x
    x = 5,334,634,635.25/84,170.89
  6. Step 6: Final answer
    x = 63,378.62

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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.