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Finding the Fourth Proportional to 106,593.72, 147,118.59 and 63,575.97

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Solution

The fourth proportional to 106,593.72, 147,118.59 and 63,575.97 is: 87,746.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,593.72 : 147,118.59 = 63,575.97 : x
  2. Step 2: Convert to fraction form
    106,593.72/147,118.59 = 63,575.97/x
  3. Step 3: Cross multiply
    106,593.72x = 147,118.59 × 63,575.97
  4. Step 4: Simplify right side
    106,593.72x = 9,353,207,064.28
  5. Step 5: Solve for x
    x = 9,353,207,064.28/106,593.72
  6. Step 6: Final answer
    x = 87,746.32

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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.