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Finding the Fourth Proportional to 235,598.68, 353,140.98 and 115,738.12

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Solution

The fourth proportional to 235,598.68, 353,140.98 and 115,738.12 is: 173,480.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,598.68 : 353,140.98 = 115,738.12 : x
  2. Step 2: Convert to fraction form
    235,598.68/353,140.98 = 115,738.12/x
  3. Step 3: Cross multiply
    235,598.68x = 353,140.98 × 115,738.12
  4. Step 4: Simplify right side
    235,598.68x = 40,871,873,120.16
  5. Step 5: Solve for x
    x = 40,871,873,120.16/235,598.68
  6. Step 6: Final answer
    x = 173,480.91

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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.