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Finding the Fourth Proportional to 295,139.70, 442,709.55 and 73,523.70

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Solution

The fourth proportional to 295,139.70, 442,709.55 and 73,523.70 is: 110,285.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,139.70 : 442,709.55 = 73,523.70 : x
  2. Step 2: Convert to fraction form
    295,139.70/442,709.55 = 73,523.70/x
  3. Step 3: Cross multiply
    295,139.70x = 442,709.55 × 73,523.70
  4. Step 4: Simplify right side
    295,139.70x = 32,549,644,141.34
  5. Step 5: Solve for x
    x = 32,549,644,141.34/295,139.70
  6. Step 6: Final answer
    x = 110,285.55

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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.