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Finding the Fourth Proportional to 295,245.22, 442,938.12 and 95,565.58

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Solution

The fourth proportional to 295,245.22, 442,938.12 and 95,565.58 is: 143,371.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,245.22 : 442,938.12 = 95,565.58 : x
  2. Step 2: Convert to fraction form
    295,245.22/442,938.12 = 95,565.58/x
  3. Step 3: Cross multiply
    295,245.22x = 442,938.12 × 95,565.58
  4. Step 4: Simplify right side
    295,245.22x = 42,329,638,341.91
  5. Step 5: Solve for x
    x = 42,329,638,341.91/295,245.22
  6. Step 6: Final answer
    x = 143,371.12

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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.