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Finding the Fourth Proportional to 114,038.80, 170,937.24 and 43,887.76

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Solution

The fourth proportional to 114,038.80, 170,937.24 and 43,887.76 is: 65,785.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,038.80 : 170,937.24 = 43,887.76 : x
  2. Step 2: Convert to fraction form
    114,038.80/170,937.24 = 43,887.76/x
  3. Step 3: Cross multiply
    114,038.80x = 170,937.24 × 43,887.76
  4. Step 4: Simplify right side
    114,038.80x = 7,502,052,564.18
  5. Step 5: Solve for x
    x = 7,502,052,564.18/114,038.80
  6. Step 6: Final answer
    x = 65,785.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.