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Finding the Fourth Proportional to 106,190.76, 146,537.76 and 58,448.64

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Solution

The fourth proportional to 106,190.76, 146,537.76 and 58,448.64 is: 80,656.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,190.76 : 146,537.76 = 58,448.64 : x
  2. Step 2: Convert to fraction form
    106,190.76/146,537.76 = 58,448.64/x
  3. Step 3: Cross multiply
    106,190.76x = 146,537.76 × 58,448.64
  4. Step 4: Simplify right side
    106,190.76x = 8,564,932,780.65
  5. Step 5: Solve for x
    x = 8,564,932,780.65/106,190.76
  6. Step 6: Final answer
    x = 80,656.10

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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.