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Finding the Fourth Proportional to 114,513.75, 158,010.75 and 74,282.67

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Solution

The fourth proportional to 114,513.75, 158,010.75 and 74,282.67 is: 102,498.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,513.75 : 158,010.75 = 74,282.67 : x
  2. Step 2: Convert to fraction form
    114,513.75/158,010.75 = 74,282.67/x
  3. Step 3: Cross multiply
    114,513.75x = 158,010.75 × 74,282.67
  4. Step 4: Simplify right side
    114,513.75x = 11,737,460,398.70
  5. Step 5: Solve for x
    x = 11,737,460,398.70/114,513.75
  6. Step 6: Final answer
    x = 102,498.26

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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.