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Finding the Fourth Proportional to 117,783.44, 176,637.72 and 38,882.96

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Solution

The fourth proportional to 117,783.44, 176,637.72 and 38,882.96 is: 58,312.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,783.44 : 176,637.72 = 38,882.96 : x
  2. Step 2: Convert to fraction form
    117,783.44/176,637.72 = 38,882.96/x
  3. Step 3: Cross multiply
    117,783.44x = 176,637.72 × 38,882.96
  4. Step 4: Simplify right side
    117,783.44x = 6,868,197,401.25
  5. Step 5: Solve for x
    x = 6,868,197,401.25/117,783.44
  6. Step 6: Final answer
    x = 58,312.08

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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.