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Finding the Fourth Proportional to 65,173.97, 97,595.51 and 54,616.23

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Solution

The fourth proportional to 65,173.97, 97,595.51 and 54,616.23 is: 81,785.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,173.97 : 97,595.51 = 54,616.23 : x
  2. Step 2: Convert to fraction form
    65,173.97/97,595.51 = 54,616.23/x
  3. Step 3: Cross multiply
    65,173.97x = 97,595.51 × 54,616.23
  4. Step 4: Simplify right side
    65,173.97x = 5,330,298,548.05
  5. Step 5: Solve for x
    x = 5,330,298,548.05/65,173.97
  6. Step 6: Final answer
    x = 81,785.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.