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Finding the Fourth Proportional to 114,017.29, 170,190.95 and 100,550.50

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Solution

The fourth proportional to 114,017.29, 170,190.95 and 100,550.50 is: 150,089.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,017.29 : 170,190.95 = 100,550.50 : x
  2. Step 2: Convert to fraction form
    114,017.29/170,190.95 = 100,550.50/x
  3. Step 3: Cross multiply
    114,017.29x = 170,190.95 × 100,550.50
  4. Step 4: Simplify right side
    114,017.29x = 17,112,784,189.75
  5. Step 5: Solve for x
    x = 17,112,784,189.75/114,017.29
  6. Step 6: Final answer
    x = 150,089.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.