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Finding the Fourth Proportional to 117,885.11, 176,829.48 and 65,626.74

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Solution

The fourth proportional to 117,885.11, 176,829.48 and 65,626.74 is: 98,441.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,885.11 : 176,829.48 = 65,626.74 : x
  2. Step 2: Convert to fraction form
    117,885.11/176,829.48 = 65,626.74/x
  3. Step 3: Cross multiply
    117,885.11x = 176,829.48 × 65,626.74
  4. Step 4: Simplify right side
    117,885.11x = 11,604,742,308.30
  5. Step 5: Solve for x
    x = 11,604,742,308.30/117,885.11
  6. Step 6: Final answer
    x = 98,441.12

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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.