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Finding the Fourth Proportional to 106,758.40, 147,324 and 59,010.52

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Solution

The fourth proportional to 106,758.40, 147,324 and 59,010.52 is: 81,433.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,758.40 : 147,324 = 59,010.52 : x
  2. Step 2: Convert to fraction form
    106,758.40/147,324 = 59,010.52/x
  3. Step 3: Cross multiply
    106,758.40x = 147,324 × 59,010.52
  4. Step 4: Simplify right side
    106,758.40x = 8,693,665,848.48
  5. Step 5: Solve for x
    x = 8,693,665,848.48/106,758.40
  6. Step 6: Final answer
    x = 81,433.08

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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.