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Finding the Fourth Proportional to 116,235.29, 160,363.44 and 75,972.29

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Solution

The fourth proportional to 116,235.29, 160,363.44 and 75,972.29 is: 104,814.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,235.29 : 160,363.44 = 75,972.29 : x
  2. Step 2: Convert to fraction form
    116,235.29/160,363.44 = 75,972.29/x
  3. Step 3: Cross multiply
    116,235.29x = 160,363.44 × 75,972.29
  4. Step 4: Simplify right side
    116,235.29x = 12,183,176,967.26
  5. Step 5: Solve for x
    x = 12,183,176,967.26/116,235.29
  6. Step 6: Final answer
    x = 104,814.79

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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.