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Finding the Fourth Proportional to 134,219.01, 200,890.42 and 98,670.92

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Solution

The fourth proportional to 134,219.01, 200,890.42 and 98,670.92 is: 147,684.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,219.01 : 200,890.42 = 98,670.92 : x
  2. Step 2: Convert to fraction form
    134,219.01/200,890.42 = 98,670.92/x
  3. Step 3: Cross multiply
    134,219.01x = 200,890.42 × 98,670.92
  4. Step 4: Simplify right side
    134,219.01x = 19,822,041,864.48
  5. Step 5: Solve for x
    x = 19,822,041,864.48/134,219.01
  6. Step 6: Final answer
    x = 147,684.31

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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.