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Finding the Fourth Proportional to 75,461.58, 104,130.72 and 41,468.28

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Solution

The fourth proportional to 75,461.58, 104,130.72 and 41,468.28 is: 57,222.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,461.58 : 104,130.72 = 41,468.28 : x
  2. Step 2: Convert to fraction form
    75,461.58/104,130.72 = 41,468.28/x
  3. Step 3: Cross multiply
    75,461.58x = 104,130.72 × 41,468.28
  4. Step 4: Simplify right side
    75,461.58x = 4,318,121,853.56
  5. Step 5: Solve for x
    x = 4,318,121,853.56/75,461.58
  6. Step 6: Final answer
    x = 57,222.79

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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.