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Finding the Fourth Proportional to 106,357.05, 146,773.71 and 58,612.11

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Solution

The fourth proportional to 106,357.05, 146,773.71 and 58,612.11 is: 80,885.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,357.05 : 146,773.71 = 58,612.11 : x
  2. Step 2: Convert to fraction form
    106,357.05/146,773.71 = 58,612.11/x
  3. Step 3: Cross multiply
    106,357.05x = 146,773.71 × 58,612.11
  4. Step 4: Simplify right side
    106,357.05x = 8,602,716,835.63
  5. Step 5: Solve for x
    x = 8,602,716,835.63/106,357.05
  6. Step 6: Final answer
    x = 80,885.25

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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.