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Finding the Fourth Proportional to 144,703.79, 199,672.25 and 83,452.26

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Solution

The fourth proportional to 144,703.79, 199,672.25 and 83,452.26 is: 115,153.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,703.79 : 199,672.25 = 83,452.26 : x
  2. Step 2: Convert to fraction form
    144,703.79/199,672.25 = 83,452.26/x
  3. Step 3: Cross multiply
    144,703.79x = 199,672.25 × 83,452.26
  4. Step 4: Simplify right side
    144,703.79x = 16,663,100,521.79
  5. Step 5: Solve for x
    x = 16,663,100,521.79/144,703.79
  6. Step 6: Final answer
    x = 115,153.17

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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.