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Finding the Fourth Proportional to 116,059.79, 174,089.68 and 76,607.68

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Solution

The fourth proportional to 116,059.79, 174,089.68 and 76,607.68 is: 114,911.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,059.79 : 174,089.68 = 76,607.68 : x
  2. Step 2: Convert to fraction form
    116,059.79/174,089.68 = 76,607.68/x
  3. Step 3: Cross multiply
    116,059.79x = 174,089.68 × 76,607.68
  4. Step 4: Simplify right side
    116,059.79x = 13,336,605,626.29
  5. Step 5: Solve for x
    x = 13,336,605,626.29/116,059.79
  6. Step 6: Final answer
    x = 114,911.51

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Similar ratio
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1.5x scale

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.