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Finding the Fourth Proportional to 70,925.96, 106,256.10 and 63,623

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Solution

The fourth proportional to 70,925.96, 106,256.10 and 63,623 is: 95,315.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,925.96 : 106,256.10 = 63,623 : x
  2. Step 2: Convert to fraction form
    70,925.96/106,256.10 = 63,623/x
  3. Step 3: Cross multiply
    70,925.96x = 106,256.10 × 63,623
  4. Step 4: Simplify right side
    70,925.96x = 6,760,331,850.30
  5. Step 5: Solve for x
    x = 6,760,331,850.30/70,925.96
  6. Step 6: Final answer
    x = 95,315.34

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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.