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Finding the Fourth Proportional to 101,717.39, 140,363.15 and 58,698.67

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Solution

The fourth proportional to 101,717.39, 140,363.15 and 58,698.67 is: 81,000.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,717.39 : 140,363.15 = 58,698.67 : x
  2. Step 2: Convert to fraction form
    101,717.39/140,363.15 = 58,698.67/x
  3. Step 3: Cross multiply
    101,717.39x = 140,363.15 × 58,698.67
  4. Step 4: Simplify right side
    101,717.39x = 8,239,130,675.00
  5. Step 5: Solve for x
    x = 8,239,130,675.00/101,717.39
  6. Step 6: Final answer
    x = 81,000.21

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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.