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Finding the Fourth Proportional to 114,763.65, 158,347.89 and 69,440.51

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Solution

The fourth proportional to 114,763.65, 158,347.89 and 69,440.51 is: 95,812.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,763.65 : 158,347.89 = 69,440.51 : x
  2. Step 2: Convert to fraction form
    114,763.65/158,347.89 = 69,440.51/x
  3. Step 3: Cross multiply
    114,763.65x = 158,347.89 × 69,440.51
  4. Step 4: Simplify right side
    114,763.65x = 10,995,757,447.28
  5. Step 5: Solve for x
    x = 10,995,757,447.28/114,763.65
  6. Step 6: Final answer
    x = 95,812.20

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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.