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Finding the Fourth Proportional to 134,676, 185,858.64 and 75,060

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Solution

The fourth proportional to 134,676, 185,858.64 and 75,060 is: 103,586.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,676 : 185,858.64 = 75,060 : x
  2. Step 2: Convert to fraction form
    134,676/185,858.64 = 75,060/x
  3. Step 3: Cross multiply
    134,676x = 185,858.64 × 75,060
  4. Step 4: Simplify right side
    134,676x = 13,950,549,518.40
  5. Step 5: Solve for x
    x = 13,950,549,518.40/134,676
  6. Step 6: Final answer
    x = 103,586.01

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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.