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Finding the Fourth Proportional to 114,030.80, 170,925.24 and 43,879.76

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Solution

The fourth proportional to 114,030.80, 170,925.24 and 43,879.76 is: 65,773.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,030.80 : 170,925.24 = 43,879.76 : x
  2. Step 2: Convert to fraction form
    114,030.80/170,925.24 = 43,879.76/x
  3. Step 3: Cross multiply
    114,030.80x = 170,925.24 × 43,879.76
  4. Step 4: Simplify right side
    114,030.80x = 7,500,158,509.14
  5. Step 5: Solve for x
    x = 7,500,158,509.14/114,030.80
  6. Step 6: Final answer
    x = 65,773.09

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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.