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Finding the Fourth Proportional to 106,765, 147,334.62 and 59,016.04

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Solution

The fourth proportional to 106,765, 147,334.62 and 59,016.04 is: 81,441.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,765 : 147,334.62 = 59,016.04 : x
  2. Step 2: Convert to fraction form
    106,765/147,334.62 = 59,016.04/x
  3. Step 3: Cross multiply
    106,765x = 147,334.62 × 59,016.04
  4. Step 4: Simplify right side
    106,765x = 8,695,105,827.30
  5. Step 5: Solve for x
    x = 8,695,105,827.30/106,765
  6. Step 6: Final answer
    x = 81,441.54

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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.