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Finding the Fourth Proportional to 395,191.63, 592,788.95 and 95,671.72

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Solution

The fourth proportional to 395,191.63, 592,788.95 and 95,671.72 is: 143,507.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,191.63 : 592,788.95 = 95,671.72 : x
  2. Step 2: Convert to fraction form
    395,191.63/592,788.95 = 95,671.72/x
  3. Step 3: Cross multiply
    395,191.63x = 592,788.95 × 95,671.72
  4. Step 4: Simplify right side
    395,191.63x = 56,713,135,001.19
  5. Step 5: Solve for x
    x = 56,713,135,001.19/395,191.63
  6. Step 6: Final answer
    x = 143,507.94

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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.