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Finding the Fourth Proportional to 115,954.34, 160,017.35 and 67,584.89

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Solution

The fourth proportional to 115,954.34, 160,017.35 and 67,584.89 is: 93,267.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,954.34 : 160,017.35 = 67,584.89 : x
  2. Step 2: Convert to fraction form
    115,954.34/160,017.35 = 67,584.89/x
  3. Step 3: Cross multiply
    115,954.34x = 160,017.35 × 67,584.89
  4. Step 4: Simplify right side
    115,954.34x = 10,814,754,997.84
  5. Step 5: Solve for x
    x = 10,814,754,997.84/115,954.34
  6. Step 6: Final answer
    x = 93,267.36

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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.