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Finding the Fourth Proportional to 97,651.58, 134,771.57 and 54,633.47

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Solution

The fourth proportional to 97,651.58, 134,771.57 and 54,633.47 is: 75,401.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,651.58 : 134,771.57 = 54,633.47 : x
  2. Step 2: Convert to fraction form
    97,651.58/134,771.57 = 54,633.47/x
  3. Step 3: Cross multiply
    97,651.58x = 134,771.57 × 54,633.47
  4. Step 4: Simplify right side
    97,651.58x = 7,363,037,784.30
  5. Step 5: Solve for x
    x = 7,363,037,784.30/97,651.58
  6. Step 6: Final answer
    x = 75,401.12

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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.