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Finding the Fourth Proportional to 295,695.56, 443,859.14 and 127,299.40

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Solution

The fourth proportional to 295,695.56, 443,859.14 and 127,299.40 is: 191,085.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,695.56 : 443,859.14 = 127,299.40 : x
  2. Step 2: Convert to fraction form
    295,695.56/443,859.14 = 127,299.40/x
  3. Step 3: Cross multiply
    295,695.56x = 443,859.14 × 127,299.40
  4. Step 4: Simplify right side
    295,695.56x = 56,503,001,415.12
  5. Step 5: Solve for x
    x = 56,503,001,415.12/295,695.56
  6. Step 6: Final answer
    x = 191,085.05

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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.