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Finding the Fourth Proportional to 230,550.50, 318,159.69 and 124,566.50

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Solution

The fourth proportional to 230,550.50, 318,159.69 and 124,566.50 is: 171,901.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,550.50 : 318,159.69 = 124,566.50 : x
  2. Step 2: Convert to fraction form
    230,550.50/318,159.69 = 124,566.50/x
  3. Step 3: Cross multiply
    230,550.50x = 318,159.69 × 124,566.50
  4. Step 4: Simplify right side
    230,550.50x = 39,632,039,024.39
  5. Step 5: Solve for x
    x = 39,632,039,024.39/230,550.50
  6. Step 6: Final answer
    x = 171,901.77

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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.