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Finding the Fourth Proportional to 115,256.63, 159,069.76 and 67,529.00

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Solution

The fourth proportional to 115,256.63, 159,069.76 and 67,529.00 is: 93,199.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,256.63 : 159,069.76 = 67,529.00 : x
  2. Step 2: Convert to fraction form
    115,256.63/159,069.76 = 67,529.00/x
  3. Step 3: Cross multiply
    115,256.63x = 159,069.76 × 67,529.00
  4. Step 4: Simplify right side
    115,256.63x = 10,741,822,133.14
  5. Step 5: Solve for x
    x = 10,741,822,133.14/115,256.63
  6. Step 6: Final answer
    x = 93,199.17

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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.