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Finding the Fourth Proportional to 116,392.13, 160,615.95 and 67,998.54

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Solution

The fourth proportional to 116,392.13, 160,615.95 and 67,998.54 is: 93,834.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,392.13 : 160,615.95 = 67,998.54 : x
  2. Step 2: Convert to fraction form
    116,392.13/160,615.95 = 67,998.54/x
  3. Step 3: Cross multiply
    116,392.13x = 160,615.95 × 67,998.54
  4. Step 4: Simplify right side
    116,392.13x = 10,921,650,100.71
  5. Step 5: Solve for x
    x = 10,921,650,100.71/116,392.13
  6. Step 6: Final answer
    x = 93,834.96

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1.5x scale

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.