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Finding the Fourth Proportional to 134,998.90, 202,401.15 and 75,852.70

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Solution

The fourth proportional to 134,998.90, 202,401.15 and 75,852.70 is: 113,724.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,998.90 : 202,401.15 = 75,852.70 : x
  2. Step 2: Convert to fraction form
    134,998.90/202,401.15 = 75,852.70/x
  3. Step 3: Cross multiply
    134,998.90x = 202,401.15 × 75,852.70
  4. Step 4: Simplify right side
    134,998.90x = 15,352,673,710.61
  5. Step 5: Solve for x
    x = 15,352,673,710.61/134,998.90
  6. Step 6: Final answer
    x = 113,724.44

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1.5x scale

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.