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Finding the Fourth Proportional to 97,321.68, 134,304 and 52,609.68

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Solution

The fourth proportional to 97,321.68, 134,304 and 52,609.68 is: 72,601.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,321.68 : 134,304 = 52,609.68 : x
  2. Step 2: Convert to fraction form
    97,321.68/134,304 = 52,609.68/x
  3. Step 3: Cross multiply
    97,321.68x = 134,304 × 52,609.68
  4. Step 4: Simplify right side
    97,321.68x = 7,065,690,462.72
  5. Step 5: Solve for x
    x = 7,065,690,462.72/97,321.68
  6. Step 6: Final answer
    x = 72,601.40

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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.