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Finding the Fourth Proportional to 114,604.83, 171,868.31 and 39,707.49

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Solution

The fourth proportional to 114,604.83, 171,868.31 and 39,707.49 is: 59,547.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,604.83 : 171,868.31 = 39,707.49 : x
  2. Step 2: Convert to fraction form
    114,604.83/171,868.31 = 39,707.49/x
  3. Step 3: Cross multiply
    114,604.83x = 171,868.31 × 39,707.49
  4. Step 4: Simplify right side
    114,604.83x = 6,824,458,506.50
  5. Step 5: Solve for x
    x = 6,824,458,506.50/114,604.83
  6. Step 6: Final answer
    x = 59,547.74

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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.