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Finding the Fourth Proportional to 295,115, 442,674.12 and 73,499

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Solution

The fourth proportional to 295,115, 442,674.12 and 73,499 is: 110,248.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,115 : 442,674.12 = 73,499 : x
  2. Step 2: Convert to fraction form
    295,115/442,674.12 = 73,499/x
  3. Step 3: Cross multiply
    295,115x = 442,674.12 × 73,499
  4. Step 4: Simplify right side
    295,115x = 32,536,105,145.88
  5. Step 5: Solve for x
    x = 32,536,105,145.88/295,115
  6. Step 6: Final answer
    x = 110,248.90

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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.