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Finding the Fourth Proportional to 105,355.74, 158,029.40 and 58,064.58

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Solution

The fourth proportional to 105,355.74, 158,029.40 and 58,064.58 is: 87,094.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,355.74 : 158,029.40 = 58,064.58 : x
  2. Step 2: Convert to fraction form
    105,355.74/158,029.40 = 58,064.58/x
  3. Step 3: Cross multiply
    105,355.74x = 158,029.40 × 58,064.58
  4. Step 4: Simplify right side
    105,355.74x = 9,175,910,448.33
  5. Step 5: Solve for x
    x = 9,175,910,448.33/105,355.74
  6. Step 6: Final answer
    x = 87,094.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.