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Finding the Fourth Proportional to 104,063.70, 143,510.43 and 69,076.46

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Solution

The fourth proportional to 104,063.70, 143,510.43 and 69,076.46 is: 95,260.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,063.70 : 143,510.43 = 69,076.46 : x
  2. Step 2: Convert to fraction form
    104,063.70/143,510.43 = 69,076.46/x
  3. Step 3: Cross multiply
    104,063.70x = 143,510.43 × 69,076.46
  4. Step 4: Simplify right side
    104,063.70x = 9,913,193,095.29
  5. Step 5: Solve for x
    x = 9,913,193,095.29/104,063.70
  6. Step 6: Final answer
    x = 95,260.81

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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.