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Finding the Fourth Proportional to 183,698.89, 253,486.97 and 103,107.94

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Solution

The fourth proportional to 183,698.89, 253,486.97 and 103,107.94 is: 142,279.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,698.89 : 253,486.97 = 103,107.94 : x
  2. Step 2: Convert to fraction form
    183,698.89/253,486.97 = 103,107.94/x
  3. Step 3: Cross multiply
    183,698.89x = 253,486.97 × 103,107.94
  4. Step 4: Simplify right side
    183,698.89x = 26,136,518,530.94
  5. Step 5: Solve for x
    x = 26,136,518,530.94/183,698.89
  6. Step 6: Final answer
    x = 142,279.13

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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.