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Finding the Fourth Proportional to 106,679.60, 147,215.73 and 58,932.50

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Solution

The fourth proportional to 106,679.60, 147,215.73 and 58,932.50 is: 81,325.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,679.60 : 147,215.73 = 58,932.50 : x
  2. Step 2: Convert to fraction form
    106,679.60/147,215.73 = 58,932.50/x
  3. Step 3: Cross multiply
    106,679.60x = 147,215.73 × 58,932.50
  4. Step 4: Simplify right side
    106,679.60x = 8,675,791,008.23
  5. Step 5: Solve for x
    x = 8,675,791,008.23/106,679.60
  6. Step 6: Final answer
    x = 81,325.68

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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.