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Finding the Fourth Proportional to 302,093.83, 453,140.71 and 143,842.51

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Solution

The fourth proportional to 302,093.83, 453,140.71 and 143,842.51 is: 215,763.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,093.83 : 453,140.71 = 143,842.51 : x
  2. Step 2: Convert to fraction form
    302,093.83/453,140.71 = 143,842.51/x
  3. Step 3: Cross multiply
    302,093.83x = 453,140.71 × 143,842.51
  4. Step 4: Simplify right side
    302,093.83x = 65,180,897,109.58
  5. Step 5: Solve for x
    x = 65,180,897,109.58/302,093.83
  6. Step 6: Final answer
    x = 215,763.75

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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.