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Finding the Fourth Proportional to 201,326.52, 302,088.24 and 142,539.96

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Solution

The fourth proportional to 201,326.52, 302,088.24 and 142,539.96 is: 213,879.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,326.52 : 302,088.24 = 142,539.96 : x
  2. Step 2: Convert to fraction form
    201,326.52/302,088.24 = 142,539.96/x
  3. Step 3: Cross multiply
    201,326.52x = 302,088.24 × 142,539.96
  4. Step 4: Simplify right side
    201,326.52x = 43,059,645,646.07
  5. Step 5: Solve for x
    x = 43,059,645,646.07/201,326.52
  6. Step 6: Final answer
    x = 213,879.65

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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.