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Finding the Fourth Proportional to 144,386.58, 199,173.49 and 83,950.55

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Solution

The fourth proportional to 144,386.58, 199,173.49 and 83,950.55 is: 115,805.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,386.58 : 199,173.49 = 83,950.55 : x
  2. Step 2: Convert to fraction form
    144,386.58/199,173.49 = 83,950.55/x
  3. Step 3: Cross multiply
    144,386.58x = 199,173.49 × 83,950.55
  4. Step 4: Simplify right side
    144,386.58x = 16,720,723,035.05
  5. Step 5: Solve for x
    x = 16,720,723,035.05/144,386.58
  6. Step 6: Final answer
    x = 115,805.24

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1.5x scale

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.