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Finding the Fourth Proportional to 183,828.30, 275,656.33 and 77,189.49

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Solution

The fourth proportional to 183,828.30, 275,656.33 and 77,189.49 is: 115,748.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,828.30 : 275,656.33 = 77,189.49 : x
  2. Step 2: Convert to fraction form
    183,828.30/275,656.33 = 77,189.49/x
  3. Step 3: Cross multiply
    183,828.30x = 275,656.33 × 77,189.49
  4. Step 4: Simplify right side
    183,828.30x = 21,277,771,142.02
  5. Step 5: Solve for x
    x = 21,277,771,142.02/183,828.30
  6. Step 6: Final answer
    x = 115,748.07

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1.5x scale

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.