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Finding the Fourth Proportional to 116,041.80, 173,868.30 and 99,323.40

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Solution

The fourth proportional to 116,041.80, 173,868.30 and 99,323.40 is: 148,818.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,041.80 : 173,868.30 = 99,323.40 : x
  2. Step 2: Convert to fraction form
    116,041.80/173,868.30 = 99,323.40/x
  3. Step 3: Cross multiply
    116,041.80x = 173,868.30 × 99,323.40
  4. Step 4: Simplify right side
    116,041.80x = 17,269,190,708.22
  5. Step 5: Solve for x
    x = 17,269,190,708.22/116,041.80
  6. Step 6: Final answer
    x = 148,818.71

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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.