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Finding the Fourth Proportional to 347,113.95, 520,682.26 and 119,407.22

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Solution

The fourth proportional to 347,113.95, 520,682.26 and 119,407.22 is: 179,114.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,113.95 : 520,682.26 = 119,407.22 : x
  2. Step 2: Convert to fraction form
    347,113.95/520,682.26 = 119,407.22/x
  3. Step 3: Cross multiply
    347,113.95x = 520,682.26 × 119,407.22
  4. Step 4: Simplify right side
    347,113.95x = 62,173,221,169.92
  5. Step 5: Solve for x
    x = 62,173,221,169.92/347,113.95
  6. Step 6: Final answer
    x = 179,114.73

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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.