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Finding the Fourth Proportional to 97,703.96, 134,834.40 and 55,261.64

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Solution

The fourth proportional to 97,703.96, 134,834.40 and 55,261.64 is: 76,262.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,703.96 : 134,834.40 = 55,261.64 : x
  2. Step 2: Convert to fraction form
    97,703.96/134,834.40 = 55,261.64/x
  3. Step 3: Cross multiply
    97,703.96x = 134,834.40 × 55,261.64
  4. Step 4: Simplify right side
    97,703.96x = 7,451,170,072.42
  5. Step 5: Solve for x
    x = 7,451,170,072.42/97,703.96
  6. Step 6: Final answer
    x = 76,262.72

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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.