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Finding the Fourth Proportional to 114,198.39, 157,489.65 and 98,060.63

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Solution

The fourth proportional to 114,198.39, 157,489.65 and 98,060.63 is: 135,234.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,198.39 : 157,489.65 = 98,060.63 : x
  2. Step 2: Convert to fraction form
    114,198.39/157,489.65 = 98,060.63/x
  3. Step 3: Cross multiply
    114,198.39x = 157,489.65 × 98,060.63
  4. Step 4: Simplify right side
    114,198.39x = 15,443,533,510.03
  5. Step 5: Solve for x
    x = 15,443,533,510.03/114,198.39
  6. Step 6: Final answer
    x = 135,234.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.