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Finding the Fourth Proportional to 106,412.67, 146,844.99 and 58,013.55

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Solution

The fourth proportional to 106,412.67, 146,844.99 and 58,013.55 is: 80,056.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,412.67 : 146,844.99 = 58,013.55 : x
  2. Step 2: Convert to fraction form
    106,412.67/146,844.99 = 58,013.55/x
  3. Step 3: Cross multiply
    106,412.67x = 146,844.99 × 58,013.55
  4. Step 4: Simplify right side
    106,412.67x = 8,518,999,169.61
  5. Step 5: Solve for x
    x = 8,518,999,169.61/106,412.67
  6. Step 6: Final answer
    x = 80,056.25

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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.